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Table 1 Demographic and clinical characteristics of autism patients and healthycontrols

From: Elevated mitochondrial DNA copy number in peripheral blood cells is associated with childhood autism

Variables Cases (n = 78) Controls (n = 83) P value
Age, months (mean±SD) 45.4±12.3 47.3±12. 5 0.413
Sex, n, (%)    0.175
Male 69 (88.46) 67 (80.72)  
Female 9 (11.54) 16 (19.23)  
Family training (yes/no)* 27/35   
Paternal age, years (mean±SD)* 30.18±4.64   
Maternal age, years (mean±SD)* 27.34±4.68   
Age of onset, years (mean±SD)* 2.05±0.71   
Illness of duration, years (mean±SD)* 2.49±1.20   
CARS Score, (mean±SD)* 34.48±3.01   
ABC Score, (mean±SD)* 105.44±9.55   
  1. *Data from 16 of 78 cases (same subjects) were missing.