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

Table 6 Pearson’s correlation coefficient of the FFI subscales with the SF-36 domains

SF-36 domains	Pain	Disability	Activity limitation	FFI total
Physical functioning	− 0.29*	− 0.66**	− 0.61**	− 0.65**
Role physical	− 0.34*	− 0.49**	− 0.43**	− 0.52**
Bodily pain	− 0.58**	− 0.51**	− 0.44**	− 0.61**
General health	− 0.23	− 0.27	− 0.14	− 0.26
Vitality	− 0.30*	− 0.42**	− 0.28	− 0.40**
Social functioning	− 0.35*	− 0.34*	− 0.36**	− 0.43**
Role emotional	− 0.22	− 0.27	− 0.32*	− 0.33*
Mental health	− 0.29	− 0.16	− 0.25	− 0.28*
PCS	− 0.34*	− 0.60**	− 0.47**	− 0.58**
MCS	− 0.26	− 0.19	− 0.25	− 0.28
NRS	0.72**	0.48**	0.24	0.57**

PCS physical component summary, MCS mental component summary, NRS numeric rating scale
**Correlation is significant at the 0.01 level (2-tailed)
*Correlation is significant at the 0.05 level (2-tailed)

ISSN: 1749-799X