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National Hospital Discharge Survey, 1999

Resource Type
Dataset : administrative records data
  • United States Department of Health and Human Services. National Center for Health Statistics
Other Title
  • Archival Version (Subtitle)
Collective Title
  • National Hospital Discharge Survey Series
Publication Date
Free Keywords
demographic characteristics; health care facilities; hospitalization; hospitals; illness; medical care; medical evaluation; medical procedures; medical records; patients; payment methods; treatment
  • Abstract

    The 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, 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).
  • Methods

    ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection: Created online analysis version with question text..
  • Table of Contents


Temporal Coverage
  • Time period: 1999
  • Collection date: 1999
Geographic Coverage
  • United States
Sampled Universe
Patient discharges from nonfederal short-stay hospitals located in the 50 states and the District of Columbia.
The redesigned (as of 1988) NHDS sample includes with certainty all hospitals with 1,000 or more beds or 40,000 or more discharges annually. The remaining sample of hospitals is based on a stratified three-stage design. The first stage consists of selection of 112 primary sampling units (PSUs) that comprise a probability subsample of PSUs used in the 1985-1994 National Health Interview Surveys. The second stage consists of selection of noncertainty hospitals from the sample PSUs. At the third stage, a sample of discharges was selected by a systematic random sampling technique. For 1999, the sample consisted of 513 hospitals. Of these, 26 were found to be ineligible. Of the 487 eligible hospitals, 458 hospitals responded to the survey.
Collection Mode
  • (1) Per agreement with NCHS, ICPSR distributes the data file and text of the technical documentation in this collection in their original form as prepared by NCHS. (2) The codebook is provided as a Portable Document Format (PDF) file. The PDF file format was developed by Adobe Systems Incorporated and can be accessed using PDF reader software, such as the Adobe Acrobat Reader. Information on how to obtain a copy of the Acrobat Reader is provided on the ICPSR Web site.

2005-11-04 On 2005-03-14 new files were added to one or more datasets. These files included additional setup files as well as one or more of the following: SAS program, SAS transport, SPSS portable, and Stata system files. The metadata record was revised 2005-11-04 to reflect these additions.
This version of the study is no longer available on the web. If you need to acquire this version of the data, you have to contact ICPSR User Support (
Alternative Identifiers
  • 3108 (Type: ICPSR Study Number)
  • Is previous version of
    DOI: 10.3886/ICPSR03108.v1
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    • ID: 10.1016/j.amjcard.2008.01.057 (DOI)
  • Croft, JB, Flowers, NT. Hospitalization discharge diagnoses for kidney disease-United States, 1980-2005. JAMA.299, (18), 2144-2145.2008.
  • DeFrances, Carol J., Lucas, Christine A., Buie, Verita C., Golosinskiy, Aleksandr. 2006 National Hospital Discharge Survey . National Health Statistics Reports.Hyattsville, MD: United States Department of Health and Human Services, National Center for Health Statistics. 2008.
    • ID: (URL)
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    • ID: 10.1016/j.amjcard.2007.11.040 (DOI)
  • Bewtra, Meenakshi, Chinyu, Su, Lewis, James. Trends in hospitalization rates for inflammatory bowel disease in the United States. Clinical Gastroenterology and Hepatology.5, (5), 597-601.2007.
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  • Foreman, MG, Mannino, DM, Moss M. Cirrhosis as a risk factor for sepsis and death: Analysis of the National Hospital Discharge Survey. Chest.124, (3), 1016-1020.2003.
    • ID: 10.1378/chest.124.3.1016 (DOI)
  • Kohlhase, Kimmie, Leader, Shelah. Recent trends in severe respiratory syncytial virus (RSV) among US infants, 1997 to 2000. Journal of Pediatrics.143, (5, Supp. 1), 127-132.2003.
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Update Metadata: 2015-08-05 | Issue Number: 6 | Registration Date: 2015-06-15

United States Department of Health and Human Services. National Center for Health Statistics (2001): National Hospital Discharge Survey, 1999. Archival Version. National Hospital Discharge Survey Series. Version: v0. ICPSR - Interuniversity Consortium for Political and Social Research. Dataset.