Figure 2.
Cumulative incidence of autism identification in two national surveys. Note: Solid lines represent the National Survey of Children’s Health (NSCH); dotted lines represent the National Survey of Children with Special Health Care Needs (NS-CSHCN). Blue lines depict autism spectrum disorder (ASD) described as mild; green lines depict ASD described as moderate; red lines depict ASD described as severe; black lines depict all ASD.
