Table IV.A.2(2011) National totals for enrollees and cost of hospitalization and physician service health plans for the private sector by type of indemnification; United States, 2011

**Table IV.A.2(2011) National totals for enrollees and cost of hospitalization and physician service health plans for the private sector by type of indemnification; United States, 2011**
Purchased plans	Total (in thousands of persons)	Standard error

Total enrollees	24,498	439
Active enrollees	22,777	304
Enrollees through COBRA	1,074	145
Retired enrollees	647	135
Enrollees with single coverage	13,926	269

	Total (in millions of dollars)	Standard error
Total costs	207,527	3,498
Employer contribution single coverage	53,672	1,108
Employee contribution single coverage	17,725	633
Employer contribution non-single* coverage	89,417	1,770
Employee contribution non-single* coverage	46,714	1,127
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Self-insured plans	Total (in thousands of persons)	Standard error
Total enrollees	36,883	643
Active enrollees	32,126	551
Enrollees through COBRA	1,338	45
Retired enrollees	3,419	295
Enrollees with single coverage	17,175	324

	Total (in millions of dollars)	Standard error
Total costs	350,885	7,017
Employer contribution single coverage	65,356	1,410
Employee contribution single coverage	23,352	476
Employer contribution non-single* coverage	187,113	3,899
Employee contribution non-single* coverage	75,064	2,196
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Source: Agency for Healthcare Research and Quality, Center for Financing, Access and Cost Trends. 2011 Medical Expenditure Panel Survey - Insurance Component. Notes: Definitions and descriptions of the methods used for this survey can be found in the Technical Appendix. Totals may not sum exactly because of rounding. * Non-single coverage includes both family and employee-plus-one coverage levels. This is a labeling change from prior year's tables however the estimates are comparable.