2012 National Healthcare Quality and Disparities Reports
|Median income of patient's ZIP Code|
|Total||First quartile (lowest income)||Second quartile||Third quartile||Fourth quartile (highest income)|
a Based on 11 Agency for Healthcare Research and Quality Prevention Quality Indicators (PQIs) for angina, asthma, bacterial pneumonia, congestive heart failure, dehydration, diabetes, hypertension, and urinary tract infection. For consistency of longitudinal reporting, the modified overall composite does not include AHRQ PQI 5 for chronic obstructive pulmonary disease because it is affected by International Classification of Diseases, 9th Revision (ICD-9-CM) coding changes.
b Rates are adjusted by age and gender using the total U.S. resident population for 2000 as the standard population.
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, modified version 4.1.