Source: Agency for Healthcare Research and Quality, Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, State Inpatient Databases disparities analysis file, 2001 and 2006. This file is designed to provide national estimates on disparities for the National Healthcare Disparities Report using records from a sample of hospitals from the following 25 states: AR, AZ, CA, CO, CT, FL, GA, HI, KS, MA, MD, MI, MO, NH, NJ, NY, OK, RI, SC, TN, TX, VA, VT, and WI. States are weighted to national estimates.