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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)