Table 13_2_2-2a 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 13_2_2.2a Emergency department visits where patients left without being seen, by race, United States, 2006–2007 Single race TotalWhiteBlackAsianNHOPIAI/ANMultiple racesPopulation groupPercentSEPercentSEPercentSEPercentSEPercentSEPercentSEPercentSETotal 1.840.101.540.142.770.30DSUDSUDSUDSUDSUDSUDSUDSUAge0–171.930.191.870.342.270.45DSUDSUDSUDSUDSUDSUDSUDSU18–442.320.161.990.233.210.41DSUDSUDSUDSUDSUDSUDSUDSU45–641.680.161.130.193.220.72DSUDSUDSUDSUDSUDSUDSUDSU65 and over0.590.090.560.13DSUDSUDSUDSUDSUDSUDSUDSUDSUDSUGenderMale1.730.111.540.162.350.36DSUDSUDSUDSUDSUDSUDSUDSUFemale1.940.121.540.173.080.39DSUDSUDSUDSUDSUDSUDSUDSUPayment sourcePrivate1.320.121.010.162.460.51DSUDSUDSUDSUDSUDSUDSUDSUMedicare0.640.100.520.13DSUDSUDSUDSUDSUDSUDSUDSUDSUDSUMedicaid1.830.131.630.222.390.36DSUDSUDSUDSUDSUDSUDSUDSUUninsured2.900.282.550.403.640.66DSUDSUDSUDSUDSUDSUDSUDSUResidence locationMSA2.020.121.710.162.940.32DSUDSUDSUDSUDSUDSUDSUDSUNon-MSA0.840.15DSUDSUDSUDSUDSUDSUDSUDSUDSUDSUDSUDSUDSU - 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 13_2_2-2a: 2009 National Healthcare Quality and Disparities Reports. March 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr09/13_timeliness/T13_2_2-2a.html