2011 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. Consistent with the Agency for Healthcare Research and Quality (AHRQ) Inpatient Quality Indicators (IQI) software, congestive heart failure must be the principal diagnosis.� Obstetric admissions and transfers to another hospital are excluded.
b. Rates are adjusted by age, gender, age-gender interactions, major diagnostic category (MDC), all patient refined-diagnosis related group (APR-DRG) risk of mortality score, and transfers into the hospital.� The AHRQ IQI software was modified to not use the present on admission (POA) indicators (or estimates of the likelihood of POA for secondary diagnosis).
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.