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Original article
IgG4-related disease: Effectiveness evaluation through Umehara–Okazaki 2011 and ACR/EULAR 2019 diagnostic criteria
Enfermedad relacionada con IgG4: evaluación de la eficacia mediante los criterios diagnósticos de Umehara-Okazaki 2011 y ACR/EULAR 2019
Pablo Martínez Calabuiga,b,
Corresponding author
pablomc96@hotmail.es

Corresponding author.
, Jorge Juan Fragío Gila,b, Roxana González Mazaríoa,b, Fernando López Gutiérrezc, Javier Loricera Garcíac,d, Ricardo Blanco Alonsoc,d, Cristina Campos Fernándeza,b
a Servicio de Reumatología y Metabolismo Óseo, Consorcio Hospital General Universitario, Valencia, Spain
b Escuela de Doctorado, Universidad Católica de Valencia San Vicente Mártir (UCV), Valencia, Spain
c Servicio de Reumatología, Hospital Marqués de Valdecilla, Santander, Spain
d IDIVAL, Spain
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    "textoCompleto" => "<span class="elsevierStyleSections"><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0065">Introduction</span><p id="par0005" class="elsevierStylePara elsevierViewall">Immunoglobulin IgG4-related disease &#40;IgG4-RD&#41; is an immune-mediated condition characterized by fibroinflammatory lesions that may affect virtually any anatomical site&#46;<a class="elsevierStyleCrossRef" href="#bib0080"><span class="elsevierStyleSup">1</span></a> Often presenting as a multiorgan disease&#44; it poses significant diagnostic challenges&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">First recognized as a distinct disease entity in 2003&#44;<a class="elsevierStyleCrossRef" href="#bib0095"><span class="elsevierStyleSup">4</span></a> IgG4-RD encompasses conditions such as Riedel&#39;s thyroiditis &#40;fibrosing thyroiditis&#41;&#44; K&#252;ttner&#39;s tumor &#40;enlargement and fibrosis of submandibular glands&#41;&#44; Ormond&#39;s disease &#40;retroperitoneal fibrosis&#41;&#44; and Mikulicz syndrome &#40;parotid gland enlargement and increased submandibular glands&#41;&#46; It is hallmarked by tumefactive lesions&#44; dense lymphoplasmacytic infiltrates rich in IgG4-positive cells&#44; storiform fibrosis&#44; and often&#44; though not universally&#44; elevated serum IgG4 levels&#46;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">1&#8211;3</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">Epidemiologically&#44; IgG4-RD predominantly affects males&#44; particularly those in their sixties and seventies&#44; with a reported male-to-female ratio of approximately 2&#46;8&#58;1&#46;<a class="elsevierStyleCrossRef" href="#bib0100"><span class="elsevierStyleSup">5</span></a></p><p id="par0020" class="elsevierStylePara elsevierViewall">The disease most frequently targets organs such as the major salivary glands &#40;submandibular&#44; parotid&#44; and sublingual&#41;&#44; lacrimal glands&#44; orbits&#44; pancreas&#44; biliary tree&#44; lungs&#44; kidneys&#44; aorta&#44; retroperitoneum&#44; meninges&#44; and thyroid gland&#46;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">1&#44;6&#44;7</span></a> Although the disease is associated with IgG4&#44; serum levels are not elevated in all patients&#59; and they can also be found in other respiratory system diseases &#40;bronchiectasis&#44; asthma&#44; sarcoidosis&#41;&#44; pancreatic diseases &#40;chronic pancreatitis&#41;&#44; liver diseases &#40;cirrhosis&#41;&#44; or in relation to other autoimmune diseases such as SLE&#44; rheumatoid arthritis &#40;RA&#41;&#44; or inflammatory myopathies&#46;<a class="elsevierStyleCrossRefs" href="#bib0115"><span class="elsevierStyleSup">8&#44;9</span></a> Therefore&#44; it is important to make a suitable differential diagnosis including lymphoproliferative disorders &#40;lymphomas&#41;&#44; cancer&#44; infections like tuberculosis&#44; and other autoimmune-mediated diseases such as Sj&#246;gren&#39;s syndrome&#44; vasculitis like granulomatosis with polyangiitis &#40;GPA&#41;&#44; systemic lupus erythematosus &#40;SLE&#41;&#44; or sarcoidosis&#46;<a class="elsevierStyleCrossRefs" href="#bib0080"><span class="elsevierStyleSup">1&#8211;3</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">Since its initial description&#44; various classification criteria for IgG4-RD have been proposed&#44; including the Umehara&#8211;Okazaki criteria of 2011<a class="elsevierStyleCrossRefs" href="#bib0125"><span class="elsevierStyleSup">10&#8211;12</span></a> &#40;<a class="elsevierStyleCrossRef" href="#tbl0005">Table 1</a>&#41;&#44; which include clinical features&#44; laboratory tests &#40;IgG4 levels&#44; eosinophilia&#41;&#44; imaging techniques &#40;CT&#44; MRI&#44; PET-CT&#41; and histopathology &#40;storiform fibrosis&#44; obliterative phlebitis&#41;&#46; However&#44; the diagnosis of IgG4-RD is currently based on the consensus of specific consensus criteria established in 2019 by ACR&#47;EULAR<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> &#40;<a class="elsevierStyleCrossRef" href="#tbl0010">Table 2</a>&#41;&#46; Patients must meet an inclusion criterion&#44; not to present any exclusion criteria&#44; and obtain a score higher than 20 from a list of clinical&#44; serological&#44; radiological&#44; and histopathological manifestations&#46;</p><elsevierMultimedia ident="tbl0005"></elsevierMultimedia><elsevierMultimedia ident="tbl0010"></elsevierMultimedia><p id="par0030" class="elsevierStylePara elsevierViewall">Treatment strategies for IgG4-RD typically involve high-dose systemic corticosteroids&#44; averaging 40<span class="elsevierStyleHsp" style=""></span>mg&#47;day&#44; followed by a gradual tapering&#46;<a class="elsevierStyleCrossRef" href="#bib0140"><span class="elsevierStyleSup">13</span></a> Second-line therapies&#44; including steroid-sparing agents<a class="elsevierStyleCrossRef" href="#bib0110"><span class="elsevierStyleSup">7</span></a> such as azathioprine&#44; mycophenolate&#44; and biological treatments like rituximab are also considered for induction and maintenance therapy&#46;<a class="elsevierStyleCrossRef" href="#bib0145"><span class="elsevierStyleSup">14</span></a></p><p id="par0035" class="elsevierStylePara elsevierViewall">Understanding IgG4-RD&#39;s clinical manifestations makes us aware of the need to analyze the classification criteria&#46; Due to the disease&#39;s intricate presentation and the presence of potential mimicking conditions&#44; a complete evaluation of both historical and contemporary classification criteria&#44; becomes essential&#46; Especially because an accurate diagnostic is crucial to facilitate effective treatment strategies&#46; This study aims to investigate and compare the Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> and ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> consensus criteria&#44; highlighting their advantages&#44; limitations&#44; and clinical implications&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0070">Patients and methods</span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0075">Study design and population</span><p id="par0040" class="elsevierStylePara elsevierViewall">We conducted a two-center retrospective cross-sectional study including diagnosed cases with an IgG4-RD by an experienced clinician&#44; between January 2010 and July 2023&#46; The data were collected after reviewing the patients&#8217; electronic medical charts&#44; from the databases of various medical departments&#44; as well as the clinical analysis database of the patients who had elevated IgG4 levels&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">Participants eligible for this study were adults over 18 years&#44; diagnosed with IgG4-RD&#44; as indicated by physicians through clinical diagnosis without following criteria established by a guideline&#46; They were included regardless of serum IgG4 levels&#44; according to the ELISA kit used &#40;Optilite LK009&#46;OPT&#41;&#44; where the normal range is from 3&#46;9 to 86&#44; considering levels above 135 as elevated&#46;</p><p id="par0050" class="elsevierStylePara elsevierViewall">For the remaining cohort with a diagnosis of IgG4-RD&#44; both Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> and ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria were applied&#46;</p><p id="par0055" class="elsevierStylePara elsevierViewall">We collected demographic data &#40;age&#44; sex&#44; race&#41;&#44; follow-up information&#44; mortality&#44; corticosteroid treatment history&#44; and other treatments&#46; We also gathered variables from the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria &#40;constitutional&#44; glandular&#44; ocular&#44; cutaneous&#44; joint&#44; renal&#44; pulmonary&#44; hematological&#44; and immunological abnormalities&#41; and the Umehara&#8211;Okazaki criteria<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> &#40;elevated serum IgG4 levels&#44; IgG4-positive plasma cells infiltration&#44; histopathological findings such as lymphoplasmacytic infiltrate&#44; fibrosis&#44; obliterative phlebitis&#41;&#46; IgG4 clinical phenotypes &#40;pancreatohepatobiliary&#44; retroperitoneum and aorta&#44; head and neck limited&#44; Mikulicz and systemic&#44; and undefined&#41; were also noted&#46;</p><p id="par0060" class="elsevierStylePara elsevierViewall">Laboratory investigations included hemograms&#44; C-reactive protein &#40;CRP&#41;&#44; erythrocyte sedimentation rate &#40;ESR&#41;&#44; and serum IgG4 levels using the Optilite kit-IgG4 &#40;normal range interval 3&#46;9&#8211;86<span class="elsevierStyleHsp" style=""></span>mg&#47;dL&#41;&#46;</p><p id="par0065" class="elsevierStylePara elsevierViewall">For those patients clinically diagnosed or with highly suspicion diagnosis of IgG4-RD the Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> and ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria were subsequently applied&#44; followed by a comparison of these two patient populations&#46; Among the fulfillment of the Umehara&#8211;Okazaki 2011 criteria&#44; and the diagnosis &#40;definite&#44; probable&#44; or possible&#41;&#59; and the fulfillment of ACR&#47;EULAR 2019&#44;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> the punctuation of the weighted inclusion criteria domains&#59; the affected tissues and the different clinical phenotypes&#46;</p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0080">Statistical analysis</span><p id="par0070" class="elsevierStylePara elsevierViewall">Descriptive statistics were expressed including measures of central tendency and dispersion for quantitative variables&#44; and absolute and relative frequencies for categorical variables&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">To assess the agreement between these two diagnostic criteria&#44; the Cohen&#39;s Kappa coefficient was calculated&#46; A 2<span class="elsevierStyleHsp" style=""></span>&#215;<span class="elsevierStyleHsp" style=""></span>2 table was constructed to evaluate the sensitivity&#44; specificity as well as the Positive Predictive Value &#40;PPV&#41; and Negative Predictive Value &#40;NPV&#41; of the Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> Criteria&#44; treating ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria as the &#8216;gold standard&#8217;&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">Furthermore&#44; to evaluate the discriminative capability of the Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria against the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria&#44; a Receiver Operating Characteristic &#40;ROC&#41; curve was plotted&#44; and the Area Under the Curve &#40;AUC&#41; was calculated&#46; To assess the association between the classifications by the two criteria&#44; Pearson&#39;s Chi-squared test with Yates&#8217; continuity correction was applied to the contingency table&#46; All statistical analyses were performed using R software version 4&#46;3&#46;1&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0085">Ethics</span><p id="par0085" class="elsevierStylePara elsevierViewall">Our study received approval from the Hospital Ethics Committee N&#176; 95&#47;2022 and was conducted aligned with the Helsinki Declaration&#39;s principles and recommendations&#46;</p></span></span><span id="sec0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0090">Results</span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0095">Patient characteristics</span><p id="par0090" class="elsevierStylePara elsevierViewall">A total of 34 patients with clinical diagnosis of IgG4-RD were collected&#46; The average age was 66 years&#44; with the majority &#40;97&#37;&#41; being caucasian&#46; The median follow-up was 3&#46;5 years&#46; Notably&#44; 73&#46;6&#37; of these patients exhibited elevated IgG4 blood levels with a median value of 90<span class="elsevierStyleHsp" style=""></span>mg&#47;dL&#59; and a median CRP and ESR of 0&#46;4<span class="elsevierStyleHsp" style=""></span>mg&#47;dL and 19<span class="elsevierStyleHsp" style=""></span>mm&#47;h&#44; respectively&#46; The main characteristics of these patients are shown in <a class="elsevierStyleCrossRef" href="#tbl0015">Table 3</a>&#46;</p><elsevierMultimedia ident="tbl0015"></elsevierMultimedia></span><span id="sec0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0100">Diagnostic outcomes using different criteria</span><p id="par0095" class="elsevierStylePara elsevierViewall">Upon applying the Umehara and Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> diagnostic criteria 20 out of the 34 patients &#40;mean age&#58; 67 years&#59; 50&#37; women&#41;&#59; revealing varied diagnostic categorizations with 5 being classified as definitive disease&#44; 7 as probable disease&#44; and 8 as possible disease&#46; One death was recorded in this group&#44; which was related to heart failure&#46; IgG4 levels in blood were elevated in 85&#37; of the patients&#44; with a median of 131<span class="elsevierStyleHsp" style=""></span>mg&#47;dL&#59; and a median CRP and ESR of 0&#46;4<span class="elsevierStyleHsp" style=""></span>mg&#47;dL and 27<span class="elsevierStyleHsp" style=""></span>mm&#47;h&#44; respectively&#46; In regard of the treatment&#44; 90&#37; of patients were initially treated with corticosteroids&#44; and additionally 20&#37; were treated with rituximab&#44; 20&#37; with azathioprine&#44; 15&#37; with methotrexate&#44; 10&#37; with mycophenolate mofetil&#44; 10&#37; with surgery and 5&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#41; with hydroxychloroquine&#46; Despite meeting or not the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria&#44; they had an average score of 19&#46; The diagnostic sequence used with IgG4-RD patients are shown in <a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0100" class="elsevierStylePara elsevierViewall">Simultaneously&#44; when the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> classification criteria<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> were applied to the same patient cohort &#40;<a class="elsevierStyleCrossRef" href="#tbl0020">Table 4</a>&#41;&#44; 9 out of the 34 patients &#40;mean age&#58; 67 years&#59; 55&#37; women&#41; with a mean follow-up of 4 years&#46; IgG4 levels in blood was elevated in 77&#37; &#40;7&#47;9&#41; of patients&#44; with a median of 130&#46;2<span class="elsevierStyleHsp" style=""></span>mg&#47;dL&#59; and a median CRP and ESR of 3&#46;2<span class="elsevierStyleHsp" style=""></span>mg&#47;dL and 27<span class="elsevierStyleHsp" style=""></span>mm&#47;h&#44; respectively&#46; Regarding treatment&#44; 88&#46;9&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>8&#41; of the patients were initially treated with corticosteroids&#44; and additionally 22&#46;2&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>2&#41; were treated with rituximab&#44; 33&#46;3&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>3&#41; with azathioprine&#44; 11&#46;1&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#41; with methotrexate&#44; 11&#46;1&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#41; with mycophenolate mofetil&#44; 11&#46;1&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#41; with surgery and 11&#46;1&#37; &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>1&#41; with hydroxychloroquine&#46; The average score of this group of patients reached 29 points&#44; exceeding the threshold of 20&#46;</p><elsevierMultimedia ident="tbl0020"></elsevierMultimedia></span><span id="sec0045" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0105">Clinical phenotypes</span><p id="par0105" class="elsevierStylePara elsevierViewall">Despite the undefined phenotype&#44; retroperitoneal fibrosis and aortitis were the most prevalent form of presentation for those who met the 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> and 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria accounting for 25&#37; and 22&#46;2&#37; respectively&#46; The clinical phenotypes of both groups are shown in <a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#46;<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">15</span></a></p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0110" class="elsevierStylePara elsevierViewall">In our study&#44; we conducted a comprehensive evaluation of two diagnostic criteria&#44; where Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria yielded a sensitivity of 100&#37;&#44; specificity of 56&#37;&#44; PPV of 45&#37; and NPV of 100&#37;&#44; while ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> demonstrated both sensitivity and specificity of 100&#37; and PPV and NPV of 100&#37; too&#46; To assess the concordance between these two diagnostic criteria&#44; we calculated the Cohen&#39;s Kappa coefficient&#44; yielding a value of 1&#44; with a confidence interval from &#8722;8&#46;8098 to 10&#46;8098&#46;</p><p id="par0115" class="elsevierStylePara elsevierViewall">Additionally&#44; Pearson&#39;s Chi-squared test with Yates&#8217; continuity correction indicated a significant association between the classifications by the two criteria &#40;<span class="elsevierStyleItalic">X</span>-squared<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>6&#46;412&#44; <span class="elsevierStyleItalic">p</span>-value<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;01134&#41;&#46; The ROC analysis for the Umehara&#8211;Okazaki 2011 criteria&#44;<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> when using ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> as the gold standard&#44; resulted in an area under the curve &#40;AUC&#41; of 0&#46;78&#44; indicating good discriminative ability&#46;</p></span></span><span id="sec0050" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0110">Discussion</span><p id="par0120" class="elsevierStylePara elsevierViewall">IgG4-RD is a recently recognized entity known for its clinical heterogeneity and histopathological and pathogenesis complexity which poses challenges in treatment&#46; This study aims to compare the two sets of classification criteria&#44; the older Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria and the more recent ACR&#47;EULAR 2019&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a></p><span id="sec0055" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0115">Comparison of criteria</span><p id="par0125" class="elsevierStylePara elsevierViewall">Our evaluation revealed that Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria has high sensitivity&#44; which means accurate identification of all patients with the disease&#46; Its specificity&#44; however&#44; stood at 56&#37;&#44; suggesting a notable number of false positives in classifying patients without the disease&#46; The importance of high specificity in the context of IgG4-RD cannot be understated&#59; it ensures patients aren&#8217;t misclassified and subjected to unnecessary treatments for IgG4-RD&#46; Pearson&#39;s Chi-squared test with Yates&#8217; continuity correction indicated a notable difference in diagnostic outcomes between the two criteria &#40;<span class="elsevierStyleItalic">p</span>-value<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>0&#46;011&#41;&#44; pointing toward a difference in diagnostic outcomes&#46; Moreover&#44; the ROC analysis showcased an AUC of 0&#46;78&#44; suggesting a good discriminative ability of the Umehara&#8211;Okazaki 2011 criteria&#46;<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a></p><p id="par0130" class="elsevierStylePara elsevierViewall">In contrast&#44; the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> displayed sensitivity&#44; specificity&#44; PPV and NPV of 100&#37;&#46; This perfect agreement signifies that the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> might provide more accurate results in identifying patients with and without the disease&#46;</p><p id="par0135" class="elsevierStylePara elsevierViewall">To assess the concordance between these two diagnostic criteria&#44; we calculated the Cohen&#39;s Kappa coefficient&#44; yielding a value of 1&#46; However&#44; it is noteworthy that the confidence interval for the Kappa coefficient ranged from &#8722;8&#46;8098 to 10&#46;8098&#44; indicating substantial uncertainty in this estimation&#46; These results may be influenced by the sample size &#40;<span class="elsevierStyleItalic">n</span>&#41;&#46;</p></span><span id="sec0060" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0120">Disparity in diagnosis and clinical implications</span><p id="par0140" class="elsevierStylePara elsevierViewall">A striking observation was the diagnostic disparity between the two criteria&#46; When using de Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria&#44; a significant number of patients &#40;20 out of 34&#41; were classified under the IgG4-RD spectrum&#44; whereas the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria limited this classification to 9 patients&#46; This considerable gap stems from the intrinsic differences between the criteria&#44; with the 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria placing substantial weight on histopathological findings&#44; manifestations of presentation&#44; and analytical data&#46;</p><p id="par0145" class="elsevierStylePara elsevierViewall">Such diagnostic variance has pronounced clinical implications&#44; like higher number of patients classified under the older criteria could mean that many individuals may receive unnecessary treatments&#44; or even misdiagnoses&#46; The more stringent 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria seem to provide a more accurate classification by narrowing down true IgG4-RD patients&#46;</p><p id="par0150" class="elsevierStylePara elsevierViewall">Interestingly&#44; irrespective of the diagnostic set&#44; retroperitoneal fibrosis and aortitis remained the dominant presentation forms of IgG4-RD&#46; This suggests that while there&#39;s variability in the total number of diagnoses&#44; certain manifestations of IgG4-RD are universally recognized&#46;</p><p id="par0155" class="elsevierStylePara elsevierViewall">Alarmingly&#44; 11 out of 20 patients were diagnosed as IgG4-RD based on the older criteria&#44; but not with the ACR&#47;EULAR 2019&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> This indicates the possibility of overdiagnosis with the older criteria&#46; Furthermore&#44; the treatment patterns among those patients diagnosed on the 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria were diverse&#44; with most receiving corticosteroids and a significant portion also receiving rituximab&#44; azathioprine&#44; and other treatments&#46; This variety in treatment approach suggests that even within the cohort diagnosed with the 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria&#44; there was a lack of uniformity in therapeutic strategy&#46;</p><p id="par0160" class="elsevierStylePara elsevierViewall">Though the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria appear more specific and potentially accurate&#44; it is important to advocate for a multidisciplinary approach in diagnosing and managing IgG4-RD&#46; Owing to the disease&#39;s varied presentation&#44; requires a collaborative approach to diagnosis and management&#46; Rheumatologists&#44; pathologists&#44; and radiologists play indispensable roles in ensuring reliable diagnosis and optimal patient care&#46;</p><p id="par0165" class="elsevierStylePara elsevierViewall">In conclusion&#44; this study emphasizes the evolution of our understanding of IgG4-RD&#44; and the necessity for adopting the most up-to-date criteria to provide the most accurate diagnoses possible&#46; The move from the Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> criteria to the ACR&#47;EULAR 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> seems to be a step in the right direction&#46; However&#44; more extensive&#44; multicenter studies and a more extended follow-up would help in further validating the current findings and understanding the long-term outcomes of patients diagnosed based on different criteria&#46;</p></span></span><span id="sec0065" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0125">Ethical considerations</span><p id="par0170" class="elsevierStylePara elsevierViewall">Our study received approval from the Hospital Ethics Committee N&#176; 95&#47;2022&#46; Informed consent was not requested as a retrospective observational study was conducted&#46; Information from the patients&#8217; medical electronic charts was used&#46; Since it is a rare disease&#44; some patients have been lost to follow-up or have passed away&#46;</p></span><span id="sec0070" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0130">Funding</span><p id="par0175" class="elsevierStylePara elsevierViewall">None&#46;</p></span><span id="sec0075" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0135">Authors&#8217; contribution</span><p id="par0180" class="elsevierStylePara elsevierViewall">During the preparation of this work the author&#40;s&#41; used ChatGPT in order to in reviewing and refining the scientific English&#46; After using this tool&#47;service&#44; the author&#40;s&#41; reviewed and edited the content as needed and take&#40;s&#41; full responsibility for the content of the publication&#46;</p></span><span id="sec0080" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0140">Conflict of interest</span><p id="par0185" class="elsevierStylePara elsevierViewall">None&#46;</p></span></span>"
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        "resumen" => "<span id="abst0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Background</span><p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">IgG4-related disease &#40;IgG4-RD&#41; is a rare&#44; systemic immune-mediated fibro-inflammatory condition with an unclear etiology and pathophysiology&#44; potentially affecting multiple organs&#46; It presents with common clinical&#44; radiological&#44; and serological characteristics&#46; This study aims to compare the latest two IgG4-RD classification and diagnostic criteria&#58; Umehara&#8211;Okazaki 2011 and ACR&#47;EULAR 2019&#46;</p></span> <span id="abst0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Material and methods</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">In a retrospective cross-sectional study conducted across two centers from January 2010 to July 2023&#44; we included patients suspected of having IgG4-RD from various hospital departments&#46; Patients finally diagnosed with other pathologies were excluded&#46; The remaining suspected IgG4-RD cases were evaluated using both Umehara&#8211;Okazaki 2011 and ACR&#47;EULAR 2019 criteria&#46;</p></span> <span id="abst0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Results</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Out of 34 patients with a clinical diagnosis of IgG4-RD&#44; the Umehara&#8211;Okazaki 2011 classified 20 patients&#58; 5 as definitive&#44; 7 as probable&#44; and 8 as possible cases&#46; Applying the ACR&#47;EULAR 2019 criteria to the same cohort resulted in the diagnosis of 9 patients&#46; Notably&#44; retroperitoneal fibrosis and aortitis were the most prevalent form of presentation&#44; accounting for 25&#37; and 22&#46;2&#37; of cases classified under the 2011 and 2019 criteria&#44; respectively&#46;</p></span> <span id="abst0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Discussion</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">The more recent and stringent ACR&#47;EULAR 2019 criteria focus on histopathology&#44; various forms of presentation&#44; and analytical data&#44; allow for a more accurate classification of patients&#46;</p></span>"
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      "es" => array:3 [
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        "resumen" => "<span id="abst0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Fundamento</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">La enfermedad relacionada con la IgG4 &#40;ER-IgG4&#41; es una enfermedad fibroinflamatoria inmunomediada sist&#233;mica rara&#44; con una etiolog&#237;a y fisiopatolog&#237;a desconocida&#44; que puede afectar a m&#250;ltiples &#243;rganos&#46; Se presenta con caracter&#237;sticas cl&#237;nicas&#44; radiol&#243;gicas y serol&#243;gicas comunes&#46; Este estudio tiene como objetivo comparar los dos &#250;ltimos criterios de clasificaci&#243;n y diagn&#243;stico de IgG4-RD&#58; Umehara-Okazaki 2011 y ACR&#47;EULAR 2019&#46;</p></span> <span id="abst0030" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0040">Material y m&#233;todo</span><p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Estudio transversal retrospectivo realizado en dos centros desde enero de 2010 hasta julio de 2023&#44; donde incluimos pacientes sospechosos de tener ER-IgG4 de varios departamentos hospitalarios&#46; Se excluyeron los pacientes que finalmente fueron diagnosticados de otras patolog&#237;as&#46; Los casos sospechosos de ER-IgG4 restantes fueron evaluados utilizando tanto los criterios de Umehara-Okazaki 2011 como los de ACR&#47;EULAR 2019&#46;</p></span> <span id="abst0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0045">Resultados</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">De los 34 pacientes con un diagn&#243;stico cl&#237;nico de ER-IgG4&#44; los criterios de Umehara-Okazaki 2011 clasificaban a 20 pacientes&#58; 5 como casos definitivos&#44; 7 como probables y 8 como posibles&#46; La aplicaci&#243;n de los criterios ACR&#47;EULAR 2019 a la misma cohorte result&#243; en el diagn&#243;stico de 9 pacientes&#46; La fibrosis retroperitoneal y la aortitis fueron las formas m&#225;s prevalentes de presentaci&#243;n&#44; representando el 25&#37; y el 22&#46;2&#37; de los casos clasificados bajo los criterios de 2011 y 2019&#44; respectivamente&#46;</p></span> <span id="abst0040" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0050">Conclusiones</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Los recientes criterios ACR&#47;EULAR 2019&#44; que se centran en la histopatolog&#237;a&#44; diversas formas de presentaci&#243;n y datos anal&#237;ticos&#44; permiten una clasificaci&#243;n m&#225;s precisa de los pacientes&#46;</p></span>"
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          2 => array:2 [
            "identificador" => "abst0035"
            "titulo" => "Resultados"
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            "identificador" => "abst0040"
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          "en" => "<p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">Diagnostic sequence used with IgG4-RD patients&#46;</p>"
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          "en" => "<p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">Clinical phenotypes of 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> and 2019<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a> criteria groups&#46;<a class="elsevierStyleCrossRef" href="#bib0150"><span class="elsevierStyleSup">15</span></a></p>"
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        "etiqueta" => "Table 1"
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">1&#46; Clinical examination showing characteristic diffuse&#47;localized swelling or masses in single or multiple organs&#46;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">2&#46; Hematological examination shows elevated serum IgG4 concentrations &#40;&#8805;135</span><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">mg&#47;dL&#41;&#46;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">3&#46; Histopathological examination shows&#58;</span><span class="elsevierStyleHsp" style=""></span>&#8226; &#40;1&#41; Marked lymphocyte and plasmacyte infiltration and fibrosis&#46;<span class="elsevierStyleHsp" style=""></span>&#8226; &#40;2&#41; Infiltration of IgG4&#43; plasma cells&#58; ration of IgG4&#43;&#47;Igg4&#43;cells<span class="elsevierStyleHsp" style=""></span>&#62;<span class="elsevierStyleHsp" style=""></span>40&#37; and &#62;10 IgG4&#43; plasma cells&#47;HPF &#40;high power field&#41;&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">Definite&#58; 1<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>2<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>3Probable&#58; 1<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>3Possible&#58; 1<span class="elsevierStyleHsp" style=""></span>&#43;<span class="elsevierStyleHsp" style=""></span>2&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr></tbody></table>
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          "en" => "<p id="spar0055" class="elsevierStyleSimplePara elsevierViewall">The Umehara&#8211;Okazaki 2011 comprehensive diagnostic criteria for IgG4-related disease&#46;<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a></p>"
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                  <table border="0" frame="\n
                  \t\t\t\t\tvoid\n
                  \t\t\t\t" class=""><thead title="thead"><tr title="table-row"><th class="td" title="\n
                  \t\t\t\t\ttable-head\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Step&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-head\n
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Categorical assessment or numeric weight&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t\t\t</th></tr></thead><tbody title="tbody"><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Step 1&#46; Entry criteria</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleBold">Yes</span> or No&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Characteristic</span><span class="elsevierStyleSup">a</span><span class="elsevierStyleItalic">clinical or radiologic involvement of a typical organ &#40;e&#46;g&#46;&#44; pancreas&#44; salivary glands&#44; bile ducts&#44; orbits&#44; kidney&#44; lung&#44; aorta&#44; retroperitoneum&#44; pachymeninges&#44; or thyroid gland &#91;Riedel&#39;s thyroiditis&#93;&#41; OR pathologic evidence of an inflammatory process accompanied by a lymphoplasmacytic infiltrate of uncertain etiology in one of these same organs</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Step 2&#46; Exclusion criteria&#58; domains and items</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " rowspan="30" align="left" valign="\n
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                  \t\t\t\t">Yes or <span class="elsevierStyleBold">No</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Clinical</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Fever&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; No objective response to glucocorticoids&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Serologic&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Leukopenia and thrombocytopenia with no explanation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Peripheral eosinophilia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Positive antineutrophil cytoplasmic antibody &#40;specifically against proteinase 3 or myeloperoxidase&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Positive SSA&#47;Ro or SSB&#47;La antibody&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Positive double-stranded DNA&#44; RNP&#44; or Sm antibody&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Other disease-specific autoantibody&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Cryoglobulinemia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Radiologic</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Known radiologic findings suspicious for malignancy or infection that have not been sufficiently investigated&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Rapid radiologic progression&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Long bone abnormalities consistent with&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Erdheim-Chester disease Splenomegaly&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Pathologic</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Cellular infiltrates suggesting malignancy that have not been sufficiently evaluated&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Markers consistent with inflammatory myofibroblastic tumor&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Prominent neutrophilic inflammation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Necrotizing vasculitis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Prominent necrosis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Primarily granulomatous inflammation&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Pathologic features of macrophage&#47;histiocytic disorder&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Known diagnosis of the following&#58;</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Multicentric Castleman&#39;s disease&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Crohn&#39;s disease or ulcerative colitis &#40;if only pancreatobiliary disease is present&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Hashimoto thyroiditis &#40;if only the thyroid is affected&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">If case meets entry criteria and does not meet any exclusion criteria&#44; proceed to step 3&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleBold">Step 3&#46; Inclusion criteria&#58; domains and items</span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Histopathology</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Uninformative biopsy&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; 0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Dense lymphocytic infiltrate&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43;4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Dense lymphocytic infiltrate and obliterative phlebitis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43;6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Dense lymphocytic infiltrate and storiform fibrosis with or without obliterative phlebitis&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43;13&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " rowspan="5" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Immunostaining</span></td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#8211;16&#44; as follows&#58;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; Assigned weight is 0 if the IgG4&#43;&#58;IgG&#43; ratio is 0&#8211;40&#37; or indeterminate and the number of IgG4&#43; cells&#47;hpf &#40;high power field&#41; is 0&#8211;9&#46;<span class="elsevierStyleSup">b</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; Assigned weight is 7 if &#40;1&#41; the IgG4&#43;&#58;IgG&#43; ratio is &#8805;41&#37; and the number of IgG4&#43; cells&#47;hpf is 0&#8211;9 or indeterminate&#59; or &#40;2&#41; the IgG4&#43;&#58;IgG&#43; ratio is 0&#8211;40&#37; or indeterminate and the number of IgG4&#43; cells&#47;hpf is &#8805;10 or indeterminate&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; Assigned weight is 14 if &#40;1&#41; the IgG4&#43;&#58;IgG&#43; ratio is 41&#8211;70&#37; and the number of IgG4&#43; cells&#47;hpf is &#8805;10&#59; or &#40;2&#41; the IgG4&#43;&#58;IgG&#43; ratio is &#8805;71&#37; and the number of IgG4&#43; cells&#47;hpf is 10&#8211;50&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; Assigned weight is 16 if the IgG4&#43;&#58;IgG&#43; ratio is &#8805;71&#37; and the number of IgG4&#43; cells&#47;hpf is &#8805;51&#46;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Serum IgG4 concentration</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Normal or not checked&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; 0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Normal but &#60;2&#215; upper limit of normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; 2&#8211;5&#215; upper limit of normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; &#62;5&#215; upper limit of normal&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Bilateral lacrimal&#44; parotid&#44; sublingual&#44; and submandibular glands</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; No set of glands involved&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; 0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; One set of glands involved&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Two or more sets of glands involved&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 14&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Chest</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Not checked or neither of the items listed is present&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; 0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Peribronchovascular and septal thickening&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Paravertebral band-like soft tissue in the thorax&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Pancreas and biliary tree</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Not checked or none of the items listed is present&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; 0&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Diffuse pancreas enlargement &#40;loss of lobulations&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43;8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Diffuse pancreas enlargement and capsule-like rim with decreased enhancement&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43;11&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Pancreas &#40;either of above&#41; and biliary tree involvement&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43;19&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Not checked or none of the items listed is present&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Hypocomplementemia&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">&#8226; &#43; 6&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Renal pelvis thickening&#47;soft tissue&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">&#8226; &#43; 8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Bilateral renal cortex low-density areas&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t">&#8226; &#43; 10&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">Retroperitoneum</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Not checked or neither of the items listed is present&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">&#8226; 0&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Diffuse thickening of the abdominal aortic wall&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 4&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleHsp" style=""></span>&#8226; Circumferential or anterolateral soft tissue around the infrarenal aorta or iliac arteries&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t">&#8226; &#43; 8&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleBold">Step 4&#58; Total inclusion points</span></td></tr><tr title="table-row"><td class="td" title="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span><span class="elsevierStyleItalic">A case meets the classification criteria for IgG4-RD if the entry criteria are met&#44; no exclusion criteria are present&#44; and the total points is &#8805;20&#46;</span></td></tr></tbody></table>
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          "en" => "<p id="spar0060" class="elsevierStyleSimplePara elsevierViewall">Adapted criteria from The 2019 American College of Rheumatology&#47;European League Against Rheumatism &#40;ACR&#47;EULAR&#41; classification criteria for IgG4-related disease &#40;IgG4-RD&#41;&#46;<a class="elsevierStyleCrossRef" href="#bib0090"><span class="elsevierStyleSup">3</span></a></p>"
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          "leyenda" => "<p id="spar0070" class="elsevierStyleSimplePara elsevierViewall">IgG4-RD&#44; IgG4-related disease&#59; IQR&#44; interquartile range&#59; CRP&#44; C-reactive protein&#59; ESR&#44; erythrocyte sedimentation rate&#46;</p>"
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Clinical diagnosis of IgG4-RD cases &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>34&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Age&#44; median &#40;IQR&#41;&#44; years</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t">66 &#40;34&#8211;87&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t">35&#46;3&#37;&#47;64&#46;7&#37;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Race</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>White&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t">33 &#40;97&#46;1&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Black&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t">0 &#40;0&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Asian&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0 &#40;0&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Hispanic&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">1 &#40;2&#46;9&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Follow-up&#44; median &#40;IQR&#41;&#44; years</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">3&#46;5 &#40;1&#8211;28&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">4 &#40;11&#46;8&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">25 &#40;73&#46;6&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">IgG4 level&#44; median &#40;IQR&#41;&#44; mg&#47;dL</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">90 &#40;5&#46;58&#8211;349&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">CRP&#44; median &#40;IQR&#41;&#44; mg&#47;dL</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">0&#46;4 &#40;0&#8211;15&#46;4&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">ESR&#44; median &#40;IQR&#41;&#44; mm&#47;h</span>&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">19 &#40;2&#8211;120&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Available biopsy at IgG4 involvement site&#44; n &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">13 &#40;38&#46;2&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleVsp" style="height:0.5px"></span></td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " colspan="2" align="left" valign="\n
                  \t\t\t\t\ttop\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Corticosteroids&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">31 &#40;91&#46;2&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Azathioprine&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">6 &#40;17&#46;6&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Methotrexate&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Mycophenolate mofetil&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Cyclosporine&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0 &#40;0&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Rituximab&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t  " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">8 &#40;23&#46;5&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Belimumab&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="left" valign="\n
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                  \t\t\t\t">0 &#40;0&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Bortezomib&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">0 &#40;0&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Surgery&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Hydroxychloroquine&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;2&#46;9&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t" scope="col" style="border-bottom: 2px solid black">Umehara&#8211;Okazaki 2011<a class="elsevierStyleCrossRef" href="#bib0125"><span class="elsevierStyleSup">10</span></a> &#40;<span class="elsevierStyleItalic">n</span><span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>20&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Fulfillment of Umehara&#8211;Okazaki 2011 Criteria&#44; n &#40;&#37;&#41;</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">9 &#40;100&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Definite&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Probable&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">2 &#40;22&#46;2&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Possible&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">Fulfillment of ACR&#47;EULAR classification criteria 2019</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleItalic">2019 ACR&#47;EULAR classification criteria points&#44; median</span>&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">19&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">29&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td" title="\n
                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t  " colspan="3" align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleItalic">Clinical phenotypes</span></td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Retroperitoneum and aorta&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td><td class="td" title="\n
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                  \t\t\t\t  " align="char" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t">7 &#40;35&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">3 &#40;33&#46;3&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Pancreatohepatobiliary&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">4 &#40;20&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">2 &#40;22&#46;2&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
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                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Mickulicz and systemic&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t">1 &#40;5&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t  " align="char" valign="\n
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                  \t\t\t\t">1 &#40;11&#46;1&#37;&#41;&nbsp;\t\t\t\t\t\t\n
                  \t\t\t\t</td></tr><tr title="table-row"><td class="td-with-role" title="\n
                  \t\t\t\t\ttable-entry\n
                  \t\t\t\t ; entry_with_role_rowhead " align="left" valign="\n
                  \t\t\t\t\ttop\n
                  \t\t\t\t"><span class="elsevierStyleHsp" style=""></span>Head and neck limited&#44; <span class="elsevierStyleItalic">n</span> &#40;&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t">2 &#40;10&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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                  \t\t\t\t\ttable-entry\n
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                  \t\t\t\t\ttop\n
                  \t\t\t\t">0 &#40;0&#37;&#41;&nbsp;\t\t\t\t\t\t\n
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es en pt

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