2010 National Healthcare Quality and Disparities Reports
|Population group||Sample size||Number of visits (in thousands)||Percent||SE|
|65 and over||4,035||14,166||27.7||1.4|
|Payment source,c under age 65||Private||2,584||9,041||28.8||1.5|
|Payment source,c age 65 and over||Medicare and private||1,681||5,895||25.4||1.8|
|Medicare and Medicaid||489||1,453||25.9||2.9|
|Location of hospital||Metropolitan||9,481||30,306||31.7||1.3|
a Based on NHAMCS "visit disposition" data, where disposition includes admission to a hospital, intensive care unit, or critical care unit, or transfer to another facility. Length of visit is defined as time from arrival to time of discharge from emergency department.
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.