File Specifications

The following links include file specifications for the NIS Trends Supplemental files including the dataset name, number of observations, and record layout. Documents are provided in ASCII text format.


Internet Citation: 1993-2002 Nationwide Inpatient Sample (NIS) Supplemental Discharge-Level Files - File Specifications Healthcare Cost and Utilization Project (HCUP). May 2015. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/nation/nis/nistrends_filespecs.jsp.
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Last modified 5/11/15