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Vol. 56. Issue 3.
Pages 116-121 (March 2005)
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Vol. 56. Issue 3.
Pages 116-121 (March 2005)
Desarrollo de un test de screening olfatorio a partir del test de Connecticut (CCCRC)
Development of an olfactory screening test based on the Connecticut test (CCCRC)
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A. Toledano
,**,5
Corresponding author
atoledano@fhalcorcon.es

Correspondencia: Muñoz Fundación Hospital Alcorcón. Universidad Rey Juan Carlos. Avda de Budapest, s/n. 28921 Alcorcón (Madrid)
, E. González***, G. Rodríguez****, A.N. Galindo**
* Unidad ORL. Fundación Hospital Alcorcón. Centro Médico Boadilla. Boadilla del Monte. Centro Médico Navarro Sánchez. Galapagar. Centro Médico VillaSalud. Villanueva del Pardillo
** Unidad de Rinología. Hospital Rúber Internacional
*** Unidad de Farmacia. Fundación Hospital Alcorcón
**** Unidad de Epidemiología. Fundación Hospital Alcorcón
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Resumen
Objetivo

Desarrollar un test de screening olfatorio, basado en el test de Connecticut, con un coste reducido y con una fiabilidad suficiente.

Material y métodos

El test de screening está compuesto por la dilución 3 de butanol y por el café, chocolate y naftalina. Nuestro test se compara con el Pocket Smell Test (PST) basado en el test de UPSIT. Indice de validez del 95% y grado de precisión de la prueba 10%.

Resultados

La sensibilidad es del 88% y la especificidad del 77%. El valor predictivo positivo es del 34% y el valor predictivo negativo del 94%. El tiempo medio de realización es de 2,8±0,4 minutos. El coste unitario del test es de 0,57 si lo realiza un auxiliar de consulta. El 96% de los pacientes refieren que el test es muy fácil de realizar.

Conclusión

El test de screening basado en el CCCRC es una prueba válida y útil para el screening olfatorio.

Palabras clave:
Olfato
Anosmia
Discriminación de olor
Identificación de olor
Abstract
Objective

To create a screening olfactory test based on the CCCRC (Connecticut Chemosen-sory Clinical Research Center).

Material and methods

We compare the screening test based on CCCRC with PST (Pocket Smell Test) based on UPSIT in 40 patients with nasal poliposis, in order to de-termine the specificity, sensitivity, positive predictive and negative predictive value. The validity index was 95% and accuracy rate was 10%. We determine unit cost, the time required to perform the test in outpatients office and how difficult it is to do the test.

Results

Sensibility was 88%, specificity was 77%. The positive predictive value was 34% and the negative predictive value was 94%. The unitary cost of our screening test was 0.57 euros when it is performed by a nurse. The unitary cost of PST is 1.76 euros. To perform our screening test took 2.8±0.4 minutes. The 96% of the patients thought the test was easy to do.

Conclusion

Our test is a valid screening test to be used in patients with nasal poliposis.

Key words:
Olfaction
Anosmia
Odor discrimination
Odor identification
Odor threshold

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