Table 15_1_1-2 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 15_1_1.2Potentially avoidable hospitalizations per 100,000 population for acute conditions, age 18 and over, United States, 2000 and 2006 20062000Population groupRateaSERateaSETotal 682.915.1731.112.6Age18–44169.05.1189.54.045–64483.312.1485.79.065 and over2,767.562.02,875.055.6 65–691,190.826.51,188.422.1 70–741,765.239.01,849.636.4 75–792,727.861.22,820.955.9 80–844,145.499.74,558.995.1 85 and over6,487.3157.07,793.5167.2GenderMale656.714.2745.813.1Female715.916.3740.512.9Median income of patient's ZIP codeFirst quartile (lowest income)856.529.01,086.539.1Second quartile715.327.8757.025.8Third quartile609.824.1626.726.0Fourth quartile (highest income)567.634.2536.833.0Location of patient residenceLarge central metropolitan672.049.1715.247.1Large fringe metropolitan613.144.1757.152.4Medium metropolitan603.852.4573.755.8Small metropolitan631.569.3665.470.3Micropolitan (nonmetro)848.841.0816.348.1Noncore (nonmetro)974.042.81,075.150.9Region of inpatient treatmentNortheast657.335.3731.133.5Midwest746.230.2717.725.5South755.329.3827.519.9West519.420.6580.424.5a Rates are adjusted by age and gender using the total U.S. population for 2000 as the standard population; when reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.Key: SE: standard error.Source: Agency for Healthcare Research and Quality (AHRQ), Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient Sample and AHRQ Quality Indicators, version 3.1. Current as of March 2010 Internet Citation: Table 15_1_1-2: 2009 National Healthcare Quality and Disparities Reports. March 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr09/15_efficiency/T15_1_1-2.html