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한국어 버전 Standardized Cosmesis and Health Nasal Outcomes Survey의 타당도 및 신뢰도 검증

Validation of the Korean version of the Standardized Cosmesis and Health Nasal Outcomes Survey

대한이비인후과학회지-두경부외과학 2020년 63권 4호 p.163 ~ 166
최우리 ( Choi Woo-Ri ) - Sungkyunkwan University School of Medicine Samsung Changwon Hospital Department of Otorhinolaryngology-Head and Neck Surgery

김신애 ( Kim Shin-Ae ) - Soonchunhyang University College of Medicine Soonchunhyang University Seoul Hospital Department of Otolaryngology-Head and Neck Surgery
김성희 ( Kim Sung-Hee ) - National Medical Center Department of Otorhinolaryngology-Head and Neck Surgery
장용주 ( Jang Yong-Ju ) - University of Ulsan College of Medicine Asan Medical Center Department of Otorhinolaryngology-Head and Neck Surgery

Abstract


Background and Objectives: The 10-item Standardized Cosmesis and Health Nasal Outcomes Survey (SCHNOS) is a recently developed questionnaire for assessing both nasal obstruction and nasal cosmetic satisfaction. It is widely used in rhinoplasty clinics based on its high level of reliability and efficacy in Western countries. In this study we evaluated the validity of the Korean version of the SCHNOS (K-SCHNOS).

Subjects and Method: The SCHNOS was translated into easily-understandable Korean following the guideline of the developers. Twenty-seven patients undergoing rhinoplasty and a control group of 29 non-rhinoplasty patients completed K-SCHNOS twice at intervals of 2 weeks regardless of pre- or postoperative state. The K-SCHNOS was evaluated for internal consistency, test-retest reliability, and validity.

Results: Of the 56 study participants, 39 (69.6%) were male and 17 (30.4%) were female, with the mean (standard deviation) age of 33.5 (12.9) years. Both obstructive domain and cosmetic domains showed high internal consistency with their respective Cronbach’α values being 0.92 and 0.91. The correlations in the test-retest analysis for each item were acceptable, ranging from 0.6-0.82. The association between the obstructive domain and cosmetic domain was 0.48 (95% confidence interval, 0.32-0.61), indicating a very weak correlation.

Conclusion: The K-SCHNOS has proven to be a reliable and valid questionnaire to be used by Korean-speaking patients undergoing functional or cosmetic rhinoplasty.

키워드

Questionnaire; Rhinoplasty; SCHNOS
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