Table 3.

Comparison of life quality scores before treatment ($\overline{x}\pm s$, points).

Group	N	Physiological function		Psychological function		Social function		Healthy self-cognition
		Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment
Control group	30	15.78 ± 4.67	13.89 ± 2.46a	16.57 ± 3.55	14.66 ± 4.99a	18.31 ± 3.95	16.55 ± 2.34a	15.34 ± 3.64	13.86 ± 1.55a
Research group	30	15.76 ± 4.79	11.55 ± 2.54b	16.56 ± 3.83	12.12 ± 1.22b	18.84 ± 3.55	12.13 ± 3.31b	15.66 ± 3.61	10.83 ± 2.91b
t		0.016	3.624	0.010	2.708	0.564	5.972	0.341	5.033
P		>0.05	<0.01	>0.05	<0.01	>0.05	<0.01	>0.05	<0.01