Decreased inter- and intra-network connectivity after group cognitive behavioral therapy in patients with unmedicated obsessive-compulsive disorder

Table 3 Comparison of demographic information before and after group cognitive-behavioral therapy treatment

	Before (n = 33)	After (n = 21)	t	P value
Sex (male)	16	11	/	/
Age	32.24 ± 7.38	32.50 ± 7.22	-0.315	0.75
Education	15.18 ± 2.07	16.04 ± 1.85	0.17	0.87
Age at onset	24.56 ± 9.15	24.32 ± 9.07	-0.37	0.72
Y-BOCS total	25.81 ± 4.78	16.41 ± 6.70	6.65	0.000b
Y-BOCS obsession	13.03 ± 2.91	8.59 ± 3.11	5.40	0.000b
Y-BOCS compulsion	12.88 ± 3.48	7.82 ± 4.47	5.37	0.000b
HAMD	12.94 ± 5.80	6.83 ± 4.50	2.91	0.005a
HAMA	9.42 ± 3.80	5.11 ± 3.25	3.41	0.001a

^aP < 0.05, differences were considered statistically significant.

^bP < 0.001.

Y-BOCS: Yale-Brown Obsessive-Compulsive Scale; HAMD: Hamilton Depression Scale; HAMA: Hamilton Anxiety Scale.