Table 2. Pre-treatment values of assessment variables including pain, spinal mobility, patient and physician global assessment, functional status, and disability.

	Group 1 (n=34) (inpatient therapy)	Group 2 (n=35) (outpatient therapy)	Group 3 (n=36) (back school)
Parameter	Mean±SD	Mean±SD	Mean±SD	P
VAS (0-100 mm)	50.9±23	61.4±25	49.7±18.5	0.072
Lumbar flexion angle	49.1±6.2	52±6.2	53.3±5.3	0.007
Lumbar extension angle	17.2±4.6	22±5	2.6±4.5	<0.001
Right lateral flexion angle	17.7±4	20.7±3.1	21.3±2.3	<0.001
Left lateral flexion angle	17.8±4	20.8±3.1	21.5±2.3	<0.001
PGA (0-100 mm)	47.3±24.7	47.1±27.5	45.9±19.1	0.941
MDGA (0-100 mm)	41.2±22.2	35.2±20.9	36.1±17.9	0.452
RMDS score (0-24)	17.4±4.7	12±6	10±8.2	<0.001
SF-36 PCS	33.1±17.9	52.9±19.9	54.7±23.4	<0.001
SF-36 MCS	48.5±18.2	57±19.3	65.3±19.9	0.002
SD: Standard deviation; VAS: Visual Analog Scale; PGA: Patient global assessment; MDGA: Physician global assessment; RMDS: Roland Morris Disability Score; SF-36 MCS: Short Form 36 Mental Component Summary; SF-36 PCS: Short Form 36 Physical Component Summary.