Table 12_1_4-1 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_1_4.1Adult surgery patients who had prophylactic antibiotics discontinued within 24 hours after surgery end time, United States, 2005 and 2007 20072005Population groupPercentSEPercentSETotal 83.70.468.50.1GenderMale82.50.461.80.1Female84.40.471.90.1RaceWhite84.20.468.50.1Black83.30.470.00.2Hispanic77.00.465.10.3Native American85.00.475.31.0Asian81.10.465.10.7AgeUnder 6585.40.473.40.165–7482.40.463.50.175–8481.70.462.70.185 and over79.20.461.10.1Key: SE: standard error.Source: Centers for Medicare & Medicaid Services, Medicare Quality Improvement Organization Program. Current as of March 2010 Internet Citation: Table 12_1_4-1: 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_1_4-1.html