Brain connectomic associations with traditional Chinese medicine diagnostic classification of major depressive disorder: a diffusion tensor imaging study

Table 2 Demographic and clinical characteristics of participants

Variables	HC (n = 28)	LQS (n = 26)	HSD (n = 18)	P value
Male, n (%)^a	11 (39.3)	5 (19.2)	9 (50.0)	0.088
Age (y)^b	34.1 ± 8.1	39.5 ± 13.0	40.9 ± 10.0	0.107
Duration of the illness (months)^b		34.2 ± 50.7	36.3 ± 49.7	0.890
Previous depressive episode^b		1.8 ± 1.5	2.8 ± 3.7	0.214
HAMD-24 score^b		32.3 ± 8.4	30.1 ± 6.9	0.365

HC healthy controls, LQS liver qi stagnation, HSD heart and spleen deficiency, HAMD-24 24-item Hamilton Rating Scale for Depression
^aCategorical data was analyzed using Chi square test
^bContinuous data are expressed mean ± SD and analyzed using Student t-test or one-way analysis of variance (ANOVA)