Table 3_1_3-2a 2008 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 3_1_3.2aAdult hemodialysis patients with adequate dialysis (urea reduction ratio 65% or greater),a by race, United States, 2006Population groupTotalSingle raceWhiteBlackAsianAI/ANPercentSEPercentSEPercentSEPercentSEPercentSETotal870.4880.5850.6941.3912.3Age18–44811.1851.5761.7963.0886.845–64850.6850.9840.9952.1893.765 and over910.5900.6910.9941.8943.2GenderMale830.5840.7801.0912.3903.8Female920.4930.6900.8971.4913.1a Standard error was calculated based on sample size, assuming random sample design.Key: AI/AN: American Indian or Alaska Native; SE: standard error.Source: Centers for Medicare & Medicaid Services, End-Stage Renal Disease Clinical Performance Measures Project. Current as of September 2009 Internet Citation: Table 3_1_3-2a: 2008 National Healthcare Quality and Disparities Reports. September 2009. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr08/3_endstagerenaldisease/T3_1_3-2a.html