Table 2.

Comparison of baseline demographic and clinical variables between patients with atypical features and without atypical features

Variables	Atypical (N=42)	Non-atypical (N=46)	Statistics	p
Sex
Male	12 (28.57)	10 (23.26)	0.247*	0.619
Female	30 (71.43)	33 (76.74)
Age	41.79 (13.84)	40.19 (13.70)	0.47†	0.639
Education	12.68 (2.50)	12.90 (2.21)	-0.42†	0.673
Smoking (last 2 years)			0.020*	0.033‡
Yes	13 (31.0)	5 (10.9)
No	29 (69.0)	41 (89.1)
Digit span	17.30 (4.44)	15.58 (4.09)	-1.90†	0.061
Word fluency	17.48 (6.71)	17.41 (5.11)	-0.05†	0.960
Trail making test A	41.13 (21.80)	50.60 (37.42)	1.41†	0.163
Trail making test B	115.67 (75.61)	116.83 (88.73)	0.06†	0.952
Hamilton Depression Rating Scale	25.46 (6.80)	22.34 (4.63)	-2.46†	0.017‡
Hamilton Anxiety Rating Scale	25.44 (7.07))	19.63 (7.29)	-3.71†	<0.001‡
Beck Depression Inventory	34.41 (10.86)	26.70 (10.40)	-3.40†	0.001‡
Beck Anxiety Inventory	31.14 (12.12)	23.52 (14.30)	-2.68†	0.009‡
Rumination Response Scale	61.98 (11.87)	50.65 (16.50)	-3.67†	<0.001‡

Data represent mean (SD) or number (percentage).

^*Chi-square test,

^†independent t-test,

^‡p<0.05