80 4Adherencia al uso de audífonos en adultos mayores chilenos con hipoacusiaAdaptación transcultural y validación de la escala de somnolencia de Epworth en la población chilena 
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Revista de otorrinolaringología y cirugía de cabeza y cuello

 ISSN 0718-4816

VALDES P., Constanza et al. Validation of the SNOT-22 quality of life survey in Chilean population. Rev. Otorrinolaringol. Cir. Cabeza Cuello []. 2020, 80, 4, pp.425-433. ISSN 0718-4816.  http://dx.doi.org/10.4067/S0718-48162020000400425.


Chronic rhinosinusitis has a high impact on the patient's quality of life. The recommendation of the EPOS guidelines is to use the Sino-Nasal-Outcome-Test sur- vey of 22 indicators (SNOT-22), which is not validated in the Chilean population.


translation and validation of SNOT-22 in Chilean population consulting for CRS in the ENT department of the Hospital del Salvador.

Material and Method:

translation of SNOT-22. Recruitment of patients with and without CRS. Application of translated version two times two weeks apart. Evaluation of discriminant validity and construct validity.


34 patients without CRS and 16 with CRS were evaluated. The average total SNOT-22 score was 19.62 and 43.1 points, respectively, with significant differences between both groups. Regarding validation analysis, Cronbach's alpha coefficient observed was > 0.95, intraclass correlation coefficient was 0.986, Pearson's correlation coefficient was 0.84 and the area under the ROC curve was 0.861.


The translation and transcultural adaptation of this version of SNOT-22 is valid and reliable. This version of SNOT-22 is a good instrument to assess the impact of CSR, and its intervention, on the quality of life of Chilean adult patients.

: quality of life survey; SNOT-22; chronic rhinosinusitis.

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