2010 National Healthcare Quality and Disparities Reports
|Population group||Sample size||Number of visits (in thousands)||Percent||SE|
|65 and over||10,357||36,796||0.7||0.1|
|Payment source,c under age 65||Private||23,383||84,078||1.9||0.1|
|Payment source,c over age 65||Medicare and private||4,589||16,402||0.6||0.1|
|Medicare and Medicaid||DSU||DSU||DSU||DSU|
|Location of hospital||Metropolitan||60,685||201,809||2.9||0.2|
a Population used for rate calculation is U.S. Census Bureau estimated civilian noninstitutional population on July 1, 2007, and July 1, 2008.
b Race data were missing for 15.5% of total visits. Missing race data were imputed. Standard errors for estimates by race were inflated as described in "2007 NAMCS Microdata File Documentation," ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NAMCS/doc07.pdf.
c Payment source classified by all expected payment sources. Public insurance includes Medicare, Medicaid, and State Children's Health Insurance program. No insurance is defined as having only "self-pay" or "no charge/charity" as payment sources.
DSU - Data do not meet the criteria for statistical reliability, data quality, or confidentiality.
Key: AI/AN: American Indian or Alaska Native; NHOPI: Native Hawaiian or Other Pacific Islander; SE: standard error.
Source: Centers for Disease Control and Prevention, National Center for Health Statistics, National Hospital Ambulatory Medical Care Survey.