Table 2.

Sex breakdown.

	MDD (N = 34)		HV (N = 32)
	Female (n = 22)	Male (n = 12)	Female (n = 13)	Male (n = 19)
Age	38.4 ± 11.0	35.0 ± 10.4	30.7 ± 5.1	36.9 ± 9.7
MADRS total	30.1 ± 3.4	31.9 ± 3.4	n.a.	n.a.
Duration of current MDE	10.9 ± 14.5	6.7 ± 10.6	n.a.	n.a.
Age of onset: 1st episode	18.3 ± 8.2	17.7 ± 7.8	n.a.	n.a.
Glx/NAA	1.19 ± 0.3	1.51 ± 0.4*	1.09 ± 0.3	1.05 ± 0.2
Glu/NAA	0.82 ± 0.2	1.08 ± 0.4*	0.79 ± 0.3	0.83 ± 0.2
GABA/NAAa	0.070 ± 0.01	0.075 ± 0.02	0.09 ± 0.03	0.09 ± 0.01

MDD major depressive disorder, HV healthy volunteer, MDE major depressive episode, MADRS Montgomery–Åsberg Depression Rating Scale.

^aGABA/NAA subsample included 12 HV (6 female and 6 male).

*P < 0.05 compared to female MDD and HV.