Translation and Reliability of the Facial Disability Index (FDI) in Bell’s Palsy
DOI:
https://doi.org/10.61919/jhrr.v4i3.1309Keywords:
Bell's Palsy, Facial Disability, UFDI, Validity, Reliability TestingAbstract
Background: Bell's palsy, a sudden-onset facial paralysis linked to the facial nerve, is often poorly assessed in non-English-speaking populations due to culturally insensitive tools. The Facial Disability Index (FDI) is traditionally used but lacks adaptations for Urdu-speaking patients, leading to potential disparities in care.
Objective: This study aimed to translate and evaluate the reliability and validity of the Urdu Facial Disability Index (UFDI) for assessing facial impairment in Bell's palsy patients.
Methods: A cross-sectional study design was employed over four months, recruiting 203 Urdu-speaking patients with Bell's palsy from rehabilitation clinics. The UFDI underwent rigorous translation and cultural adaptation processes, including forward and backward translation and expert committee reviews. Participants completed the UFDI and the House-Brackmann Facial Grading Scale (HBFGS) for validity assessment. Descriptive statistics and reliability analyses were conducted using SPSS version 25, with Cronbach's alpha for internal consistency and intraclass correlation coefficient (ICC) for test-retest reliability.
Results: The UFDI showed a Cronbach’s alpha of 0.77 and an ICC of 0.99, indicating good internal consistency and excellent test-retest reliability. Spearman’s rho showed significant correlation with HBFGS (r = 0.508, p < 0.05), confirming convergent validity.
Conclusion: The UFDI is a reliable and valid tool for assessing facial disability in Urdu-speaking patients with Bell’s palsy, enhancing culturally sensitive clinical care.
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