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Table 1 Demographic and clinical characteristics data of autism spectrum disorders (ASD) and control children

From: Thioredoxin level and inflammatory markers in children with autism spectrum disorders

Characteristic ASD Controls p
Number of children 35 35 NS
Age (year) (mean ± SD) 4.7 ± 2.4 5.4 ± 2.4 NS
Sex
 Males 24 19 NS
 Females 11 16  
Residence
 Urban 29 24 NS
 Rural 6 11  
Paternal age at birth (year) (mean ± SD) 32.5 ± 6.8 31.3 ± 3.8 NS
Maternal age at birth (year) (mean ± SD) 28.2 ± 5.02 27.9 ± 3.7 NS
Prematurity    NS
 Yes 5 3  
 No 30 32  
Groups of ASD according to CARS n (mean ± SD)   
 Mild (30‑< 33) 10 (30.6 ± 0.3) N/A < 0.001*
 Moderate (33‑< 37) 16 (34.6 ± o.8) N/A  
 Severe (37–60) 9 (44.2 ± 3.6) N/A  
  1. NS non-significant, N/A not applicable, CARS childhood autism rating scale
  2. *significant p value (p ≤ 0.05)