Table 2.

Prevalence Ratios for CAH by Age and Sex for the Commercial and Medicaid Samples

	Met Criteria for CAH
	Prevalence	PR	95% CI	P Value
Commercial sample
All	1:9906
Age
5-11 y (reference)	1:10 066	1
12-18 y	1:9769	1.03	(0.84-1.26)	0.773
Sex
Boys (reference)	1:11 166	1
Girls	1:8891	1.26	(1.02-1.54)	0.029
Medicaid sample
All	1:13 905
Age
5-11 y (reference)	1:13 390	1
12-18 y	1:14 662	0.91	(0.71-1.18)	0.484
Sex
Boys (reference)	1:17 303	1
Girls	1:11 593	1.49	(1.16-1.92)	0.002

Prevalence ratio (PR), confidence interval (CI), years (y), reference category (Ref). P-values represent chi-square tests.

Abbreviations: CAH, congenital adrenal hyperplasia; PR, prevalence ratio.