Effectiveness of Combined General Rehabilitation Gymnastics and Muscle Energy Techniques in Older Women with Chronic Low Back Pain

Table 3

Statistical characteristics of questionnaire (OSW, Rolland-Morris, NRS and NRS max) scores for exercising women and non-exercising controls.

Group		ODI		RMDQ		NRS		NRS max
	N	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Exercising	21	10.62	5.46	2.48	2.14	1.43	1.69	4.95	2.25
Controls	20	15.15	5.61	7.10	3.49	3.80	2.07	7.20	0.89

N: number, SD: standard deviation, ODI: Oswestry Disability Index, RMDQ: Roland-Morris Disability Questionnaire, and NRS: Numeric Rating Scale.