Table 2.

Distribution of core-based statistical area primary cesarean delivery rate, overall and by payer

	All payer			Medicaid			Private insurance
	Mean	SD	CoV	Mean	SD	CoV	Mean	SD	CoV
Unadjusted	0.173	0.045	0.259	0.165	0.049	0.299	0.187	0.052	0.279
Risk-adjusted	0.177	0.044	0.250	0.164	0.047	0.297	0.189	0.049	0.268

SOURCE Author calculations of HCUP SID data linked with other national data sources. NOTES Abbreviations: SD, Standard deviation; CoV, Coefficient of variation.