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Table 1 Demographic characteristics and clinical data (Mean ± SD) of patients with schizophrenia and healthy controls

From: Peripheral non-enzymatic antioxidants in patients with schizophrenia: a case-control study

VariablesSCZ-AS(n = 107)SCZ-RS (n = 101)HC (n = 273)F/t/χ2P
Gender (male/female)40/6737/6493/1801.3860.500
Age (years)34.03 ± 11.0335.36 ± 11.3134.92 ± 9.220.4670.627
Smokers/non-smokers10/9711/9026/2470.1850.912
Family history (positive/negative)25/8222/790.0740.785
Duration of illness (months)96.70 ± 80.48108.23 ± 96.6050.9950.321
Drug naïve or free/ Drug use51/56
PANSS total scores93.21 ± 16.4645.44 ± 8.4025.531<0.001
  1. SCZ-AS schizophrenic patients in the acute stage, SCZ-RS schizophrenic patients in the remission stage, HC healthy control, PANSS Positive and Negative Syndrome Scale