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Table 1 Demographics of the study participants

From: Platelet studies in autism spectrum disorder patients and first-degree relatives

  ASD family cohorts Control cohorts
  ASD Siblings Parents Pediatric Adult
N 159 103 186 65 45
Gender (male-female) 125–34 34–69 87–99 31–34 22–23
Age (years) 11.9 ± 3.8 13.0 ± 4.7 43.0 ± 4.4 15.6 ± 3.9 36.5 ± 10.9
Intellectual disability (%) 18 (11) 1 (1) 0 (0) 0 (0) 0 (0)
SRS score 89.6 ± 16.5 (3) 50.0 ± 9.7 (3) 48.0 ± 8.7 (15) nd nd
  1. Data are expressed as mean ± standard deviation (missing values) or n (%)
  2. ID intellectual disability is defined as IQ < 70, SRS social responsive scale, nd not determined