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Cross-cultural adaptation of the Korean Synkinesis Assessment Questionnaire: A validation study
Sang-Soo Nam1, Yoon Jae Lee2, Bonhyuk Goo3
1Department of Acupuncture & Moxibustion, College of Korean Medicine Kyung Hee University Seoul Republic of Korea.
Objective:
The Synkinesis Assessment Questionnaire (SAQ) is a reliable tool to assess synkinesis symptoms; however, it is yet to be validated in Korea. Thus, this study aimed to translate and validate the Korean SAQ.
Methods:
This validation study was set in a clinic in Seoul, Korea, that provides general integrative medicine services. A total of 100 participants with facial palsy were enrolled. Participants completed the SAQ, House-Brackmann grade (HB grade), Sunnybrook Facial Grading System (SB), and Facial Disability Index (FDI). The forward-backward translation method was followed. Of the 100 participants, 31 underwent a second assessment for test-retest reliability. Internal consistency and test-retest reliability were evaluated using Cronbach's alpha coefficient. The construct validity of the Korean version of the SAQ was tested using Spearman's rank correlation coefficient.
Results:
The internal consistency score for the SAQ was 0.789, and the test-retest reliability score was 0.787. According to Spearman's rank correlation coefficient, the SAQ correlations to the synkinesis subdomain of SB score, total SB score, HB grade, and physical function domain in the FDI score were 0.366 (p < .001), -0.386 (p < .001), 0.315 (p = .001), and -0.269 (p = .007), respectively. All values were statistically significant.
Conclusions:
The Korean SAQ is a valid and reliable tool used to evaluate synkinesis in patients with facial palsy.
Level Of Evidence:
Level 3.
