A1 Refereed original research article in a scientific journal
Translation, cross-cultural adaptation, and validation of the sino-nasal outcome test (snot)-22 for Finnish patients
Authors: Koskinen Anni, Hammarén-Malmi Sari, Myller Jyri, Mäkelä Marjukka, Penttilä Elina, Pessi Timo, Puhakka Tuomo, Raappana Antti, Taulu Rami, Toppila-Salmi Sanna, Virkkula Paula, Hytönen Maija
Publisher: Springer
Publication year: 2021
Journal: European Archives of Oto-Rhino-Laryngology
Journal name in source: EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY
Journal acronym: EUR ARCH OTO-RHINO-L
Volume: 278
Issue: 2
First page : 405
Last page: 410
Number of pages: 6
ISSN: 0937-4477
eISSN: 1434-4726
DOI: https://doi.org/10.1007/s00405-020-06297-w
Web address : https://link.springer.com/article/10.1007/s00405-020-06297-w
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/50082837
Purpose
The Sino-Nasal Outcome Test-22 (SNOT-22) is the most commonly used disease-specific quality of life questionnaire in rhinology. The purpose of this prospective study was to translate and validate SNOT-22 into Finnish.
Methods
The validation process followed the guidelines proposed for cross-cultural adaptation of health-related measures of quality of life. The study consisted of three groups: rhinologic out-patients (N = 96), FESS patients (N = 49) and healthy controls (N = 79). Out-patient and FESS groups completed the questionnaire twice (answers A and B), out-patients after two weeks and FESS patients after 3 months. Validity, reliability and responsiveness were evaluated.
Results
The mean SNOT-22 sum score of the out-patient questionnaires were 35.3 points (answer A) and 32.4 points (answer B). ICC in out-patient group was 0.879. For the FESS patients, the mean pre- and postoperative (answer A and B) SNOT-22 sum scores were 46.8 and 21.9 points, respectively (p < 0.0001). The mean SNOT-22 of healthy controls was 8.9 points. The out-patients (answer A) and healthy controls had statistically significant difference in SNOT-22 scores (p < 0.0001).
Conclusions
The results of our study show that the validated Finnish version of the SNOT-22 questionnaire demonstrates good validity, reliability and responsiveness.
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