Table 2. Changes in depression scores in the good and the poor motor function groups with post-stroke depression.

Depression scale	Group	Measurements
		At the screening	At the beginning	At the 4th week	At the 8th week	At the 12th week	At the 16th week
BDI	Good motor function group	16.50 ± 5.53	17.00 ± 5.42	14.50 ± 6.11	11.29 ± 6.52**	10.14 ± 4.85**, †	9.79 ± 4.85**, †
	Poor motor function group	17.86 ± 6.19	18.43 ± 6.17	17.14 ± 5.86	14.57 ± 6.10**	15.29 ± 7.74**	14.57 ± 5.63**
HDRS	Good motor function group	13.14 ± 3.66	13.79 ± 3.42	10.86 ± 3.92**	9.71 ± 5.15**	9.07 ± 3.95**, †	8.07 ± 3.69**, †
	Poor motor function group	15.14 ± 3.11	15.86 ± 3.06	14.29 ± 4.14**	12.14 ± 4.24**	13.29 ± 4.92**	12.71 ± 6.34**

Data are presented as mean ± SD. BDI: The Korean version of the Beck Depression Inventory II. HDRS: Hamilton Depression Rating Scale. ** p < 0.01, comparison with the beginning measurement, † p<0.05, comparison between the good and poor motor function groups