Skip to main content

Table 2 FFI-Ar subscales and total score descriptive statistics (n = 50)

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

Descriptive statistics Pain Disability Activity limitation Total
Mean 53.09 43.96 34.13 43.73
Median 58.00 48.50 26.00 42.48
Standard deviation 21.29 25.31 25.86 19.85
Variance 453.27 640.69 668.69 394.15
Skewness − 0.62 0.02 0.54 − 0.05
Kurtosis − 0.001 − 1.16 − 0.91 − 1.11
Range 95.00 90.00 89.00 74.83
Minimum 5.00 0.00 0.00 3.83
Maximum 100.00 90.00 89.00 78.67
Time of completion of FFI-Ar 5.72 ± 1.02 min
Normality test Statistic df Sig
Shapiro–Wilk (FFI-Ar total) 0.963 50 0.123