Table 8_1_3-1 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 8_1_3.1Immunization-preventable influenza admissions (excluding transfers from other institutions) per 100,000 population, age 65 and over, United States, 2000 and 2005Population group20052000RateaSERateaSETotal101.55.176.93.6Age65–6943.12.739.71.970–7470.03.854.52.875–79102.45.877.94.280–84164.38.9117.36.785 and over232.512.9164.310.2GenderMale109.05.780.04.2Female98.04.975.93.5Median income of patient's ZIP CodeFirst quartile (lowest income)107.17.7114.46.8Second quartile100.56.176.94.3Third quartile99.97.162.25.4Fourth quartile (highest income)98.911.256.57.7Location of patient residenceLarge central metropolitan72.99.249.36.3Large fringe metropolitan97.211.362.46.2Medium metropolitan107.016.868.312.9Small metropolitan94.313.391.611.9Micropolitan (nonmetro)119.09.8103.68.6Noncore (nonmetro)173.615.9168.113.2Region of inpatient treatmentNortheast81.012.771.211.2Midwest168.112.9119.38.9South99.98.372.14.0West47.54.738.93.7a 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 September 2009 Internet Citation: Table 8_1_3-1: 2008 National Healthcare Quality and Disparities Reports. September 2009. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/nhqrdr/nhqrdr08/8_respiratorydiseases/T8_1_3-1.html