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Table 4 The value of Spearman correlation coefficients calculated between the antioxidant system and the SAPS and SANS scores in drug free FESP

From: Decreased glutathione levels and impaired antioxidant enzyme activities in drug-naive first-episode schizophrenic patients

Antioxidant system

SAPS scores

SANS scores

Total glutathione

0.50*

-0.02

Reduced glutathione

0.51*

-0.05

Oxidized glutathione

0.16

0.17

Glutathione peroxidase

-0.34

-0.12

Superoxide dismutase

-0.11

-0.15

Catalase

-0.13

-0.22

  1. FESP: first-episode schizophrenic patients, SAPS: Scale for assessment of positive symptoms, SANS: Scale for assessment of negative symptoms.
  2. *p < 0.05