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NIS Description of Data Elements
The NIS is set of longitudinal hospital inpatient databases included in the HCUP family. These databases are created by AHRQ through a Federal-State-Industry partnership.
DISCWT_F - Weight to discharges in frame states
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes

DISCWT_F contains the weight to the discharges in the frame states. There were:

  • 8 frame states for 1988;
  • 11 frame states for 1989-1992;
  • 17 frame states for 1993-1994;
  • 19 frame states for 1995-1996; and
  • 22 frame states for 1997.

Beginning in the 1998 NIS, this data element is not included in the data set.

For detailed information about the development and use of discharge and hospital weights, see the year-specific report on the Design of the HCUP Nationwide Inpatient Sample.

Uniform Values
VariableDescriptionValueValue Description
DISCWT_FWeight to discharges in frame statesnn.nnnnWeight to discharges in frame states
State Specific Notes

Internet Citation: HCUP NIS Description of Data Elements. Healthcare Cost and Utilization Project (HCUP). September 2008. Agency for Healthcare Research and Quality, Rockville, MD.
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Last modified 9/17/08