Table 3.

Comparison of HAMD-17 scores before and after treatment between groups (n=135, $\overline{x}$ ± s, score).

Group	Case	Hamilton Depression Scale-17 (HAMD-17)			F	P value
		Baseline	Treatment for two weeks	Treatment for four weeks
Sham rTMS group	45	36.76 ± 7.79	31.38 ± 7.51	21.31 ± 3.27*	64.9	<0.0001
Low rTMS group	45	37.27 ± 7.16	28.09 ± 6.87*	16.22 ± 3.77*#	113.4	<0.0001
High rTMS group	45	36.80 ± 5.51	25.84 ± 5.38*#	15.35 ± 6.23*#	159.5	<0.0001
F		0.071	7.889	15.900
P value		0.9316	0.0006	<0.0001

Statistical significance at p<0.05.

*p<0.001, compared with the Baseline level.

^#p<0.001, compared with Sham rTMS level.