Table 12_4_7-1 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 12_4_7.1Visits to physician offices, hospital outpatient departments, and hospital emergency departments for adverse effects of medical care per 1,000 population,a United States, 2006–2007 2006–2007Population groupRateSETotal 34.62.3Age0–1713.81.918–4422.92.345–6444.04.165 and over93.99.8GenderMale25.82.2Female43.13.2RaceWhite37.04.0Black29.83.7OthersDSUDSUResidence locationMSA36.12.8Non-MSA27.44.6a Rates were computed using 2000-based postcensal estimates of the civilian noninstitutionalized population as of July 1.DSU - Data do not meet the criteria for statistical reliability, data quality, or confidentiality.Key: MSA: metropolitan statistical area; SE: standard error.Source: Centers for Disease Control and Prevention, National Center for Health Statistics, National Ambulatory Medical Care Survey and National Hospital Ambulatory Medical Care Survey. Current as of March 2010 Internet Citation: Table 12_4_7-1: 2009 National Healthcare Quality and Disparities Reports. March 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr09/12_patientsafety/T12_4_7-1.html