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Table 1 Demographic and clinical variables

From: Perinatal complications and executive dysfunction in early-onset schizophrenia

 EOS (N = 19)HC (N = 54)Group statistics
Gender male/female (%)9/10 (47.4/52.6)27/27 (50/50)X2 0.39, p .84
Age in years (SD)15.2 (1.9)15.4 (2.0)T 0.49, p .63
Hand wright/left (%)16/3 (84.2/15.8)47/7 (87/13)X2 0.09, p .76
Mother’s age at delivery (SD)28.2 (5.7)30.7 (4.8)T 1.70, p .10
Father’s age at delivery (SD)31.7 (5.9)32.9 (5.9)T 0.76, p .45
Mother’s education in years (SD)13.3 (2.4)15.4 (2.6)T 3.29, p .002**
Father’s education in years (SD)13.5 (2.6)15.3 (2.6)T 2.44, p .02*
IQ (SD)98.9 (13.0)110.4 (13.4)T 3.28, p .002**
DUP in weeks, mean (SD)30.2 (45.5) 
GAF function, mean (SD)51.7 (15.7) 
GAF symptom, mean (SD)52.1 (14.4) 
PANSS total score, mean (SD)55.3 (12.9) 
  1. EOS Early-onset schizophrenia, HC healthy controls. T and X2: Group tests of significance
  2. * = p < .05, ** = p < .01