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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.
H_LOCTCH - Location/teaching status of hospital (definition used prior to 1998)
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes

The HCUP variable for the hospital's location and teaching status changed names and definitions across data years:

HCUP Variable Data Years Definition
HOSP_LOCTEACH Beginning in 1998 More stringent definition of teaching hospital
H_LOCTCH 1993-1997 Less stringent definition of teaching hospital
LOCTEACH 1988-1992 Same as H_LOCTCH

For H_LOCTCH, the hospital's location and teaching status were obtained from the AHA Annual Survey of Hospitals. A metropolitan statistical area is considered urban, and a non-metropolitan statistical area is rural. Teaching hospitals have an AMA-approved residency program or have membership in the Council of Teaching Hospitals.

Note that a few hospitals classified as rural are also teaching hospitals.

Uniform Values
VariableDescriptionValueValue Description
H_LOCTCHLocation/teaching status of hospital (definition used prior to 1998)1Rural
2Urban nonteaching
3Urban teaching
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