Structural abnormality of the corticospinal tract in major depressive disorder

Table 1 Participant demographic and clinical characteristics

	CTL (N = 18)			MDD (N = 14)			pvalue
Age in years (M \| SD \| min/max)	30.4	10.2	18.9/52.1	35.6	8.4	22.8/48.5	>0.10^b
Education level^a (M \| SD \| min/max)	6.6	1.5	4/8	7.2	1.1	4/8	>0.10^c
BDI-II (M \| SD \| min/max)	2.2	3.2	0/11	31.7	6.6	22/43	<0.001^b
Global Assessment of Functioning (M \| SD \| min/max)	87.8	7.0	75/99	53.0	6.6	35/60	<0.001^b
Age of onset (M \| SD \| min/max)	NA			16.3	6.8	3/26	NA
Handedness (right \| left)	16		2	13		1	>0.10^c

BDI-II Beck Depression Inventory-II, GAF Global Assessment of Functioning, M mean, SD standard deviation, MDD major depressive disorder, CTL control.
^aLevel of education was assigned as follows: having finished 1) elementary school, 2) junior high school, 3) high school, 4) some college, 5) technical school, 6) junior college, 7) 4-year college, or 8) graduate or professional education.
^bComputed using two-sample t-test.
^cComputed using chi-square test.

ISSN: 2045-5380