National Hospital Discharge Survey, 2004 (ICPSR 4442)

Version Date: May 3, 2006

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Principal Investigator(s):
United States Department of Health and Human Services. National Center for Health Statistics

Series:

https://doi.org/10.3886/ICPSR04442.v1

Version V1

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Summary

The 2004 National Hospital Discharge Survey (NHDS) collects medical and demographic information annually from a sample of hospital discharge records. Variables include patients' demographic characteristics (sex, age, race, marital status), dates of admission and discharge, source and type of admission, status at discharge, final diagnoses, surgical and nonsurgical procedures, dates of surgeries, and sources of payment. Information on hospital characteristics such as bedsize, ownership, and region of the country is also included. The medical information is coded using the INTERNATIONAL CLASSIFICATION OF DISEASES, 9TH REVISION, CLINICAL MODIFICATION (ICD-9-CM).

Citation

United States Department of Health and Human Services. National Center for Health Statistics. National Hospital Discharge Survey, 2004. [distributor], 2006-05-03. https://doi.org/10.3886/ICPSR04442.v1

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Subject Terms

Geographic Coverage

Restrictions

In preparing the data file for this collection, the National Center for Health Statistics (NCHS) has removed direct identifiers and characteristics that might lead to identification of data subjects. As an additional precaution NCHS requires, under Section 308(d) of the Public Health Service Act (42 U.S.C. 242m), that data collected by NCHS not be used for any purpose other than statistical analysis and reporting. NCHS further requires that analysts not use the data to learn the identity of any persons or establishments and that the director of NCHS be notified if any identities are inadvertently discovered. ICPSR member institutions and other users ordering data from ICPSR are expected to adhere to these restrictions.

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Time Period(s)

2004

Date of Collection

2004
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Sample

In 2004, the sample consisted of 501 hospitals. Of the 501 hospitals, 25 were found to be out-of-scope (ineligible) because they went out of business or otherwise failed to meet the criteria for the NHDS universe. Of the 476 in-scope (eligible) hospitals, 439 hospitals responded to the survey.

Universe

Patient discharges from nonfederal short-stay hospitals located in the 50 states and the District of Columbia.

Data Source

hospital records

Data Type(s)

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Original Release Date

2006-05-03

Version History

2018-02-15 The citation of this study may have changed due to the new version control system that has been implemented. The previous citation was:
  • U.S. Dept. of Health and Human Services, National Center for Health Statistics. NATIONAL HOSPITAL DISCHARGE SURVEY, 2004. ICPSR04442-v1. Hyattsville, MD: U.S. Dept. of Health and Human Services, National Center for Health Statistics [producer], 2006. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2006-05-03. http://doi.org/10.3886/ICPSR04442.v1
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Weight

These data contain one weight variable, wgt. Users should refer to the technical documentation for further information regarding the weight and its derivation. Additionally, users may need to weight the data prior to analysis.

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Notes

  • The public-use data files in this collection are available for access by the general public. Access does not require affiliation with an ICPSR member institution.