Resting-state functional magnetic resonance imaging and support vector machines for the diagnosis of major depressive disorder in adolescents

Table 1 Demographic and clinical characteristics comparison of the two groups, mean ± SD

Demographic data	Patients (n = 44)	HCs (n = 43)	t value (orx²)	P value
Gender (male/female)	44 (10/34)	43 (10/33)	0.003	0.9531
Age (years)	15.02 ± 1.389	15.49 ± 1.831	-1.338	0.1842
Education (years)	9.43 ± 1.662	9.98 ± 2.006	-1.381	0.1712
HAMD score	27.09 ± 6.069	1.00 ± 1.746	27.114	< 0.0012

¹P for gender distribution was obtained by the χ² test.

²P were obtained by two sample I-tests.

HCs: Healthy controls; HAMD: Hamilton depression scale.