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Table 2 The severity of depressive disorders among ED-I group and rDD group

From: Oxidant/antioxidant imbalance is an inherent feature of depression

Variable

ED-I ( N  = 42)

rDD ( N  = 89)

Mann–Whitney U test

M (SD)

M (SD)

Z

p

HDRS-I

22.73 (6.51)

24.06 (6.59)

−0.622

0.534

HDRS-II

5.62 (3.76)

6.86 (4.01)

−1.53

0.126

Number of depression episodes

-

6.48 (5.81)

-

-

  1. ED-I – first episode of depression, rDD-recurrent depressive disorders, HDRS-I – Hamilton Depression Rating Scale at the onset of therapy, HDRS-II – Hamilton Depression Rating Scale after pharmacological treatment, M – mean, SD – standard deviation.