Table 1.

Comparison of Hamilton Depression Scale between the two groups

HAMD score	Control group (n = 40)	Observation group (n = 40)	t value	P value
Before treatment	24.23 ± 2.02	24.40 ± 1.52	0.438	0.662
2 weeks after treatment	18.58 ± 2.39	16.78 ± 2.69	3.158	0.002
4 weeks after treatment	15.67 ± 4.02	12.85 ± 3.71	3.268	0.002
6 weeks after treatment	12.60 ± 2.38	9.05 ± 2.09	7.086	< 0.001
8 weeks after treatment	8.63 ± 1.05	6.65 ± 1.19	7.861	< 0.001

HAMD: Hamilton Depression Scale.