Table 17_1_7-1a 2009 National Healthcare Quality and Disparities ReportsThe National Healthcare Quality Report (NHQR) is a comprehensive national overview of quality of health care in the United States. It is organized around four dimensions of quality of care: effectiveness, patient safety, timeliness, and patient centeredness. Table 17_1_7.1aEmergency department visits per 100 population,a by race, United States, 2006–2007 Single race TotalWhiteBlackAsianNHOPIAI/ANMultiple racesPopulation groupRateSERateSERateSERateSERateSERateSERateSETotal 40.01.536.02.277.36.717.13.1DSUDSUDSUDSU7.22.1Age0–1736.11.933.02.661.17.018.83.1DSUDSUDSUDSUDSUDSU18–4444.41.939.62.789.67.914.72.5DSUDSUDSUDSU7.32.145–6433.21.328.71.875.87.214.33.6DSUDSUDSUDSUDSUDSU65 and over48.51.945.92.882.19.332.29.6DSUDSUDSUDSUDSUDSUGenderMale37.31.533.92.171.86.217.03.3DSUDSUDSUDSU7.12.0Female42.51.738.02.482.07.417.23.1DSUDSUDSUDSUDSUDSUResidence locationMSA40.51.9DNADNADNADNADNADNADNADNADNADNADNADNANon-MSA37.54.7DNADNADNADNADNADNADNADNADNADNADNADNAa Rates were computed using 2000-based postcensal estimates of the civilian noninstitutionalized population as of July 1.DNA - Data have not been analyzed.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; MSA: metropolitan statistical area; SE: standard error.Source: Centers for Disease Control and Prevention, National Center for Health Statistics, National Hospital Ambulatory Medical Care Survey. Current as of March 2010 Internet Citation: Table 17_1_7-1a: 2009 National Healthcare Quality and Disparities Reports. March 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr09/17_utilization/T17_1_7-1a.html