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SID Database Documentation
The SID are a set of longitudinal State-specific hospital inpatient databases included in the HCUP family. These databases are created by AHRQ through a Federal-State-Industry partnership.
State Inpatient Databases (SID)

The SID are State-specific files that contain all inpatient care records in participating states. Together, the SID encompass more than 95 percent of all U.S. hospital discharges. The uniform format of the SID helps facilitate cross-state comparisons. In addition, the SID are well suited for research that requires complete enumeration of hospitals and discharges within geographic areas or states. The following links provide database documentation for the SID.
Restrictions on the Use of the SID
Description of SID Files
Availability of Data Elements
Description of Data Elements in the SID
Known Data Issues
Load Programs
HCUP Tools: Labels and Formats
SID Related Reports
HCUP Supplemental Files

Internet Citation: HCUP SID Database Documentation. Healthcare Cost and Utilization Project (HCUP). September 2015. Agency for Healthcare Research and Quality, Rockville, MD.
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Last modified 9/15/15