Table 6_2_2-1 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 6_2_2.1Obstetric trauma with 3rd or 4th degree lacerations per 1,000 vaginal deliveries without instrument assistance, United States, 2000 and 2006 20062000Population groupRateaSERateaSETotal 36.20.151.70.1Age10–1470.54.198.23.415–1748.00.868.50.718–2435.10.248.30.225–3438.80.255.90.235–5425.90.339.50.3Median income of patient's ZIP codeFirst quartile (lowest income)30.50.244.50.2Second quartile33.60.248.70.2Third quartile39.00.353.60.3Fourth quartile (highest income)44.00.360.00.2Location of patient residenceLarge central metropolitan36.70.251.80.2Large fringe metropolitan38.90.354.80.2Medium metropolitan36.10.352.10.3Small metropolitan34.00.452.30.4Micropolitan (nonmetro)33.30.444.00.4Noncore (nonmetro)31.80.545.90.5Expected payment sourcePrivate insurance43.00.258.80.2Medicare34.02.133.41.8Medicaid29.10.241.50.2Other insurance39.10.851.20.8Uninsured/self-pay/no charge33.10.644.30.6Region of inpatient treatmentNortheast34.00.355.30.3Midwest40.30.354.60.3South34.90.250.60.2West35.70.247.90.3Ownership/control of hospitalPrivate, not for profit37.10.153.90.1Private, for profit31.80.344.00.4Public36.10.346.50.3Teaching status of hospitalTeaching37.60.257.10.2Nonteaching35.50.249.10.1Location of hospitalLarge central metropolitan36.80.251.90.2Large fringe metropolitan39.10.354.80.2Medium metropolitan36.40.352.10.3Small metropolitan33.60.453.50.4Micropolitan (nonmetro)31.70.441.30.4Noncore (nonmetro)30.90.843.90.7Bed size of hospitalLess than 10031.80.444.30.4100–29934.50.249.60.2300–49938.80.254.40.2500 or more37.80.356.10.3a Rates are adjusted by age and comorbidities. When reporting is by age, the adjustment is by comorbidities 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 6_2_2-1: 2009 National Healthcare Quality and Disparities Reports. March 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr09/6_maternalchildhealth/T6_2_2-1.html