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Table 5 Test–retest reliability of the FFI-Ar

From: Foot Function Index for Arabic-speaking patients (FFI-Ar): translation, cross-cultural adaptation and validation study

FFI-Ar subscales Mean (SD) ICC (95%CI)
Test score Retest score  
Pain 50.57 (19.90) 46.41 (24.28) 0.81 (0.48–0.93)
Disability 43.60 (25.32) 41.82 (24.00) 0.93 (0.80–0.97)
Activity limitation 29.83 (19.98) 30.43 (19.96) 0.80 (0.42–0.93)
FFI total 41.33 (17.15) 39.55 (19.84) 0.89 (0.70–0.96)
  1. ICC intraclass correlation coefficient, CI confidence interval, 95%CI (lower bound–upper bound)