Table 4.

Health related quality of life (SF-12) scores by treatment group

	Usual care	Exercise	Unadjusted estimate (95% CI)	P value	Adjusted estimate (95% CI)	P value
6 months	(n=133)	(n=145)
Mean (SD) PCS; (missing)	43.2 (11.2); (5)	45.9 (9.5); (9)	2.73 (0.21, 5.25)	0.03	2.73 (0.24 to 5.21)	0.03
Mean (SD) MCS; (missing)	45.9 (11.1); (5)	48.0 (9.8); (9)	2.11 (−0.42, 4.64)	0.10	2.12 (−0.37 to 4.61)	0.09
12 months	(n=139)	(n=135)
Mean (SD) PCS; (missing)	43.8 (11.5); (7)	48.1 (10.0); (10)	4.30 (1.63, 6.97)	0.002	4.39 (1.74 to 7.04)	<0.001
Mean (SD) MCS; (missing)	46.6 (11.2); (7)	48.7 (10.0); (10)	2.10 (−0.51, 4.71)	0.11	1.99 (−0.58 to 4.57)	0.13

Adjusted for age, baseline SF-12 score, breast surgery, axillary surgery, radiotherapy, and chemotherapy.

MCS=mental component summary score; PCS=physical component summary score.