Table 4.

Differences between the poor and good groups across the four outcomes (mean ± SD).

Outcome	Time of evaluation	Poor (n = 30)	Good (n = 40)	P value
BAI	Baseline	17.37 ± 8.85	3.25 ± 2.05	<0.01∗
	6 weeks	9.97 ± 9.21	3.75 ± 3.43	<0.01∗
	1 year	9.63 ± 10.72	4.15 ± 6.51	<0.01∗
	2 years	7.10 ± 8.79	2.90 ± 3.76	0.03∗
Outcome	Time of evaluation	Poor (n = 28)	Good (n = 42)	P value
BDI	Baseline	16.96 ± 10.02	4.19 ± 3.11	<0.01∗
	6 weeks	12.46 ± 8.34	4.33 ± 3.67	<0.01∗
	1 year	10.39 ± 9.23	4.55 ± 5.79	<0.01∗
	2 years	8.82 ± 8.41	3.26 ± 3.86	<0.01∗
Outcome	Time of evaluation	Poor (n = 15)	Good (n = 55)	P value
ESS	Baseline	14.53 ± 2.67	5.42 ± 2.81	<0.01∗
	6 weeks	10.33 ± 3.13	6.47 ± 3.89	<0.01∗
	1 year	11.13 ± 2.77	5.56 ± 3.88	<0.01∗
	2 years	11.87 ± 4.44	5.64 ± 3.35	<0.01∗
Outcome	Time of evaluation	Poor (n = 49)	Good (n = 21)	P value
PSQI	Baseline	10.14 ± 3.30	3.86 ± 1.11	<0.01∗
	6 weeks	8.90 ± 2.85	5.52 ± 3.25	<0.01∗
	1 year	9.39 ± 4.17	4.43 ± 2.18	<0.01∗
	2 years	9.12 ± 3.63	5.76 ± 3.39	<0.01∗

^∗Difference is significant at 0.05. Time: baseline = 0, 6 weeks = 42 days, 1 year = 365 days, and 2 years = 730 days.