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Table 1 Demographics and clinical characteristics of patients with schizophrenia

From: Genetic polymorphisms of PIP5K2A and course of schizophrenia

  All (n = 384) Male (n = 237) Female (n = 147) p-value*
Age (mean ± SD) 42 (30–53) 39 (28–51) 47 (33–56) 0.000216
Age of beginning of disease 23 (19–31) 23 (19–30) 24 (20–33) 0.116
Duration of disease, years 14.0 (7.0–25.0) 13.0 (6.0–22.0) 15.5 (8.0–30.0) 0.004
  1. *calculated with the Mann-Whitney U test