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

Table 1 Comparison of general demographic information between groups

mean ± SD	OCD (n = 33)	HC (n = 26)	t/χ2	P value
Sex (male)	16	11	0.15	0.78
Age	32.24 ± 7.38	28.23 ± 7.36	1.98	0.06
Education	15.18 ± 2.07	15.45 ± 1.76	-0.93	0.61
Age at onset	24.56 ± 9.15	/	/	/
Duration (months)	84.12 ± 79.15	/	/	/
Y-BOCS total	25.81 ± 4.78	/	/	/
Y-BOCS obsession	13.03 ± 2.91	/	/	/
Y-BOCS compulsion	12.88 ± 3.48	/	/	/
HAMD	12.94 ± 5.80	1.09 ± 1.44	11.06	0.000b
HAMA	9.42 ± 3.80	0.77 ± 1.11	11.34	0.000b

^bP < 0.001, differences were considered statistically significant.

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