TABLE 1.

Prevalence of CP per 1,000 of the Medicaid Population

Category	Prevalence per 1,000
Overall (aged 2-20 years)	1.78
Sex
Male (aged 2-20 years)	2.00
Female (aged 2-20 years)	1.55
Age, years
2-3	1.52
4-8	1.59
9-13	1.68
14-18	1.93
19-20a	4.05
Region
Northwest	1.92
North Central	2.05
Northeast	2.36
South Central	1.23
Southeast	0.90
Southwest	1.89

^aIn non-ACA expansion states, nondisabled children leave Medicaid upon turning age 19 years, unless they have a child of their own; therefore, the population aged 19-20 years is disproportionately disabled.

ACA=Affordable Care Act; CP = cerebral palsy.