Data include:
- American Hospital Association annual survey for years 2006, 2008, and 2009
- Area Resource Files for years 2006, 2007, 2008, and 2009
- National Inpatient Sample for years 1988-1993 and 2000 to 2009
- Kids' Inpatient Database (KID) for 1997, 2000, 2003, and 2006
- National Emergency Department Sample (NEDS) for 2006, 2007, and 2008
- selected State Inpatient Databases (SID) for 2006 to 2009
- selected State Emergency Department Databases (SEDD) for 2006 to 2009, and more