Table 12_2_4-2 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 12_2_4.2Postoperative hemorrhage or hematoma with surgical drainage or evacuation, not verifiable as following surgery (excluding obstetric admissions),a per 100,000 population, age 18 and over, United States, 2000 and 2006 20062000Population groupRatebSERatebSETotal 15.50.516.10.6Age18–447.70.37.20.345–6416.50.616.80.865 and over40.01.545.11.8 65–6931.71.633.31.9 70–7438.22.043.82.2 75–7949.72.453.93.0 80–8450.53.357.93.2 85 and over35.72.349.53.3GenderMale17.30.618.30.8Female14.40.514.80.5Median income of patient's ZIP codeFirst quartile (lowest income)15.90.818.41.0Second quartile16.20.717.40.9Third quartile14.60.615.80.8Fourth quartile (highest income)15.51.113.91.0Location of patient residenceLarge central metropolitan15.71.116.51.3Large fringe metropolitan14.81.318.01.5Medium metropolitan16.51.714.31.7Small metropolitan15.11.616.51.7Micropolitan (nonmetro)15.61.114.91.2Noncore (nonmetro)14.91.215.11.3Region of inpatient treatmentNortheast15.01.316.31.2Midwest15.40.915.51.1South15.80.816.91.2West15.41.015.11.0a Postoperative hemorrhage or hematoma is not verifiable as following surgery because information on day of procedure is not available for all discharges. Also includes admissions specifically for such problems, such as cases from earlier admissions or from other hospitals.b 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 12_2_4-2: 2009 National Healthcare Quality and Disparities Reports. March 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr09/12_patientsafety/T12_2_4-2.html