Cross-Cultural Adaptation and Clinimetric Testing of Functional Rating Index (FRI) Outcome Measure into the Arabic Language

Table 5

Responsiveness of instruments.

Instruments	Baseline SD	Change in means	Change in SD	ES	SRM
FRI-Ar	6.42	1.88	4.26	0.29	0.44
NPRS	1.82	1.20	1.70	0.66	0.71
GPE	2.09	0.88	1.81	0.42	0.49
RMDQ	5.34	0.89	2.62	0.17	0.34
ODI	6.72	1.14	3.21	0.17	0.36
PSFS	4.46	2.51	3.86	0.56	0.65