Table 2.

GDS score difference between baseline and the fourth week

	Quetiapine			Aripiprazole
	Median (min–max)	z	P-value*	Median (min–max)	z	P-value*
Baseline GDS	20 (16–26)	1.38	0.16	20 (15–24)	2.2	0.02
Fourth week GDS	19.5 (11–27)			17 (13–21)

Note:

^*Wilcoxon test.

Abbreviations: GDS, Geriatric Depression Scale; max, maximum; min, minimum.