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

Table 4 Statistics of the FFI-Ar items

Subscale	Item no	Scale mean if item deleted	± Standard deviation	Corrected item-total correlation	Cronbach's alpha if item deleted
Pain	1	31.92	14.562	0.550	0.876
	2	33.26	14.118	0.643	0.869
	3	32.66	14.052	0.696	0.864
	4	32.94	14.26	0.65	0.87
	5	33.10	13.99	0.82	0.85
	6	33.56	14.08	0.77	0.86
	7	36.36	14.68	0.48	0.88
	8	36.40	14.60	0.52	0.88
	9	32.84	14.18	0.57	0.88
Disability	10	32.64	18.21	0.78	0.92
	11	31.46	17.97	0.81	0.93
	12	30.36	18.08	0.79	0.93
	13	31.34	18.01	0.80	0.93
	14	31.72	18.36	0.70	0.93
	15	31.46	17.81	0.76	0.93
	16	32.52	18.42	0.68	0.93
	17	32.44	18.04	0.82	0.93
	18	30.22	18.12	0.70	0.93
Activity Limitation	19	8.78	8.86	0.71	0.81
	20	9.92	9.61	0.54	0.85
	21	8.06	9.27	0.62	0.83
	22	10.42	8.66	0.72	0.80
	23	10.34	8.56	0.72	0.80

ISSN: 1749-799X