Table 1.

Baseline demographic and clinical variables

Variables	Buspirone augmentation (N=46)	Non-buspirone (N=43)	Statistics	p
Sex
Male	13 (28.26)	10 (23.26)	0.291*	0.590
Female	33 (71.74)	33 (76.74)
Age	44.59 (13.03)	40.19 (13.70)	-1.55†	0.124
Education	12.24 (2.69)	12.90 (2.21)	1.25†	0.216
Smoking (last 2 years)			0.012*	0.914
Yes	9 (20.0)	9 (20.9)
No	36 (80.0)	34 (79.1)
Digit span	15.78 (4.38)	17.05 (4.21)	1.38†	0.170
Word fluency	15.67 (3.50)	19.23 (7.25)	2.92†	0.005‡
Trail making test A	48.77 (36.13)	42.74 (25.22)	-0.90†	0.372
Trail making test B	121.40 (81.91)	110.00 (81.93)	-0.59†	0.554
Hamilton Depression Rating Scale	24.02 (5.86)	23.67 (6.11)	-0.27†	0.789
Hamilton Anxiety Rating Scale	23.20 (7.34)	21.77 (8.09)	-0.85†	0.400
Beck Depression Inventory	31.50 (11.91)	28.98 (10.42)	-1.06†	0.292
Beck Anxiety Inventory	27.54 (13.29)	26.44 (14.39)	-0.38†	0.708
Rumination Response Scale	53.22 (14.46)	55.91 (16.50)	-0.90†	0.925

Data represent mean (standard deviation) or number (percentage).

^*Chi-square test,

^†independent t-test,

^‡p<0.05