Table 9

Mean SF-36 dimension scores in treatment and control groups at baseline, and mean change in dimension scores at 12 months and 24 months for all study patients

Dimension	Baseline			12 Months			24 Months
Dimension	Treatment	Control	p Value	Treatment	Control	p Value	Treatment	Control	p Value
Physical functioning	72.0	73.2	0.74	−9.0	−4.9	0.20	−13.2	−14.9	0.48
Role physical	65.7	64.8	0.88	3.8	−3.6	0.32	−1.9	6.6	0.53
Role emotional	76.4	75.9	0.94	5.6	6.1	0.95	11.8	18.2	0.78
Social functioning	86.0	84.5	0.70	−0.7	−0.3	0.93	5.0	2.9	0.50
Pain	81.9	81.1	0.85	−2.4	−2.8	0.93	−.2	−9.7	0.72
Energy and vitality	78.3	74.4	0.24	−3.9	−.8	0.37	−3.5	5.1	0.11
Mental health	63.9	64.0	0.99	−9.4	−8.2	0.74	−8.7	−7.6	0.32
General health perception	77.0	73.7	0.23	−6.5	−4.1	0.40	−9.4	−3.8	0.051