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Validation and Cross-cultural Adaptation of the Sinonasal Outcome Test (SNOT)-22 for the Arabian Patient Population



Article type: Published article

Abstract

Background and objective Quality of life measurement is an essential element of healthcare evaluation. The Sino-Nasal Outcome Test 22 (SNOT-22) has been validated in different languages, and in this study we validated the SNOT-22 in Arabic language. The objective of this study is to provide a validated, cross-culturally adapted version of the SNOT-22 for the Arabic speaking population. Materials, methods, and main outcome measures This was a prospective cohort study set in a tertiary hospital in Riyadh, Saudi Arabia. The SNOT-22 was translated into Arabic by two native Arabic speakers. A total of 30 patients with chronic rhinosinusitis (CRS) with/without nasal polyps were included in test-retest study. Following that, a prospective study was conducted where the translated SNOT-22 was distributed to a different set of 30 CRS patients before and three months after endoscopic sinus surgery. Another 50 healthy individuals were included as a control group. The main outcome measure was the translation and validation of the SNOT-22 in Arabic. Results Internal consistency was assessed by performing a test-retest study. Cronbach's alpha was 0.803 at both the initial examination and at the retest, showing good internal consistency. There was a statistically significant difference between the results of the control group and the preoperative results of the CRS group (p<.001). The preoperative mean (SD) SNOT-22 score for the CRS group was 64.8 (20.3) and it dropped to 29.2 (11.8) postoperatively showing statistically significant change (p<.001), indicating the responsiveness of the SNOT-22. Conclusion The Arabic version of the SNOT-22 has internal consistency, reliability, and reproducibility that is needed for it to be a valid instrument to be used in research and clinical practice


Full citation

Asiri, M. and G. Alokby (2019). "Validation and Cross-cultural Adaptation of the Sinonasal Outcome Test (SNOT)-22 for the Arabian Patient Population." Cureus 11(4): e4447-e4447.


Methodology

Methods Condition Gender Age Country Setting Sample size
patients Both 18 - above Saudi Arabia
Healthcare Facility 80

Number of items

22 items

Training

Measure does not require training

Required time

Less than 5 min






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Articles last updated: December 2020