Table 6. Responsiveness of outcome measures to treatment.

	Effect size	Standardized mean	Guyatt’s
		responsiveness	responsiveness index
Numeric Pain Rating Scale	1.17*	2.05*	1.06*
Istanbul Low Back Pain Disability Index	0.65*	0.77**	0.87*
Oswestry Disability Index	0.70*	0.89*	0,37
Short Form 36-physical functioning	0,45	0.59**	0,22
Short Form 36-social functioning	0,4	0,36	0.50**
Short Form 36-physical role functioning	0,4	0.56**	0.87*
Short Form 36-emotional role functioning	0,31	0,47	0.58**
Short Form 36-mental health	0,31	0,41	0,47
Short Form 36-vitality	0,22	0,28	0,14
Short Form 36-bodily pain	0.90*	0.99*	0,23
Short Form 36-general health	0,12	0,09	0,32
* High sensitivity; ** Moderate sensitivity.