Table 3 Inter and intra-observer reliability of FFI (total score and subscales)
From: Validity and reliability of the Foot Function Index (FFI) questionnaire Brazilian-Portuguese version
Scores (n = 50) | Mean (SD) | ||
|---|---|---|---|
1st interviewa | 2nd interviewb | 3rd interviewc | |
(Evaluator A) | (Evaluator B) | (Evaluator A) | |
FFI Total | 20.54 (15.17) | 20.57 (15.01) | 20.32 (14.91) |
Disability | 12.34 (12.91) | 11.85 (12.67) | 11.62 (12.33) |
Activity limitation | 18.89 (14.22) | 18.71 (13.85) | 19.28 (14.43) |
Pain | 30.39 (24.94) | 30.57 (25.12) | 30.63 (24.50) |