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Databases
The HCUP family of administrative longitudinal databases contains encounter-level information on inpatient stays, emergency department visits, and ambulatory surgery in U.S. hospitals. These databases are created by AHRQ through a Federal-State-Industry partnership.
 
 
National (Nationwide) HCUP Databases

HCUP's National (Nationwide) databases can be used to identify, track, and analyze national trends in health care utilization, access, charges, quality, and outcomes.

National (Nationwide) Inpatient Sample (NIS)
yellow star New! 2012 NIS Redesign Kids’ Inpatient Database (KID) Nationwide Emergency Department Sample (NEDS)
 
State-Specific HCUP Databases

HCUP's State-specific databases can be used to investigate State-specific and multi-State trends in health care utilization, access, charges, quality, and outcomes.

State Inpatient Databases (SID) State Ambulatory Surgery and Services Databases (SASD) State Emergency Department Databases (SEDD)

Internet Citation: HCUP Databases. Healthcare Cost and Utilization Project (HCUP). November 2014. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/databases.jsp.
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Last modified 11/12/14