Table 3.

Mean patient scores for SF12.

	SF Physical Mean ± SD				SF Mental Mean ± SD				SF Total Mean ± SD
	Total (n = 43)	Stress (n = 21)	No Stress (n = 22)	p-Value *	Total (n = 43)	Stress (n = 21)	No Stress (n = 22)	p-Value *	Total (n = 43)	Stress (n = 21)	No Stress (n = 22)	p-Value *
Baseline	19.18 ± 16.96	24.20 ± 21.67	14.39 ± 8.88	0.057	29.80 ± 13.87	31.70 ± 15.37	27.99 ± 12.36	0.386	24.49 ± 14.06	27.95 ± 17.64	21.19 ± 8.70	0.116
1 Month	25.57 ± 11.26	23.80 ± 13.83	27.27 ± 8.10	0.319	41.62 ± 21.91	33.72 ± 14.42	49.16 ± 25.31	0.019	33.60 ± 14.78	28.77 ± 12.48	38.22 ± 15.59	0.034
3 Months	29.35 ± 20.79	27.57 ± 25.60	31.05 ± 15.30	0.589	46.19 ± 23.67	38.72 ± 20.89	53.33 ± 24.40	0.042	37.78 ± 20.11	33.15 ± 22.61	42.19 ± 16.74	0.143
6 Months	28.97 ± 20.97	28.17 ± 25.37	29.73 ± 16.28	0.811	46.58 ± 24.07	38.84 ± 20.59	53.97 ± 25.26	0.038	37.78 ± 20.36	33.51 ± 22.34	41.85 ± 17.85	0.183
12 Months	27.22 ± 18.68	26.78 ± 19.87	27.65 ± 17.93	0.023	45.91 ± 24.17	37.97 ± 18.68	53.48 ± 26.71	0.034	36.56 ± 17.96	32.38 ± 16.92	40.56 ± 18.39	0.137
p -value **	0.002	0.088			0.001	0.030			0.001	0.026

SD: standard deviation; SF12: Short Form 12 Health Survey. * Comparison between scores for stress and no stress groups at a specific time during follow-up. Repeated-measures one-factor ANOVA test. ** Comparison between scores throughout follow-up for (1) total and (2) stress and no stress groups together. Repeated-measures one-factor ANOVA test.