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Table 2 Sample description

From: Event-related potential (ERP) correlates of face processing in verbal children with autism spectrum disorders (ASD) and their first-degree relatives: a family study

  Autism spectrum disorders, ASD Unaffected siblings, US Unaffected controls, UC Unaffected fathers, UF
n 49 36 53 18
Age, years 15.2 ± 2.7 15.5 ± 2.5 15.5 ± 2.0 44.1 ± 7.1
SRS 90 ± 31 23 ± 18 21 ± 17 29 ± 14
Caucasian 92% 89% 76% 94%
Right-handed 78% 83% 86% 83%
Multiplex family 35% 6% 0% 100%
Medication free 27% 58% 83% No data
Task performance 69–100 78–100 75–100 84–100
95 ± 7 96 ± 6 96 ± 6 98 ± 4
  1. Note: SRS scores were unavailable for eight UF subjects. The family history of ASD was examined and multiplex family status was designated if there was more than one ASD child in the family, in all other case the family was considered simplex (e.g., including families in which the ASD-affected child was the only child in the family)