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National Hospital Ambulatory Medical Care Survey, 1997

Version
v1
Resource Type
Dataset : administrative records data
Creator
  • United States Department of Health and Human Services. National Center for Health Statistics
Other Title
  • Version 1 (Subtitle)
Collective Title
  • National Hospital Ambulatory Medical Care Survey Series
Publication Date
1999-09-15
Language
English
Free Keywords
ambulatory care; health care services; hospitalization; hospitals; emergency services; injuries; medical care; medical evaluation; medical procedures; medical records; patient care; patients; payment methods; surgery; treatment
Description
  • Abstract

    The National Hospital Ambulatory Medical Care Survey (NHAMCS) was inaugurated in 1992 to fill a gap in data about ambulatory medical care in the United States. Although the National Ambulatory Medical Care Survey collects annual data on patient visits to physician offices, it excludes the hospital emergency room and outpatient department visits that make up a large part of the total ambulatory care received each year. The NHAMCS provides data from samples of patient records selected from emergency departments (EDs) and outpatient departments (OPDs) of a national sample of hospitals. The resulting national estimates describe the use of hospital ambulatory medical care services in the United States. For the 1997 survey, data were collected from 236 OPDs and 395 EDs. Among the variables included are age, race, and sex of the patient, reason for the visit, physician's diagnoses, cause of injury (ED only), surgical procedures (OPD only), medication therapy, and expected source of payment.
  • Table of Contents

    Datasets:

    • DS0: Study-Level Files
    • DS1: Emergency Department Data
    • DS2: Outpatient Department Data
Temporal Coverage
  • 1996-12-23 / 1997-12-21
    Time period: 1996-12-23--1997-12-21
  • Collection date: 1997
Geographic Coverage
  • United States
Sampled Universe
Visits to the emergency and outpatient departments of noninstitutional general and short-stay hospitals within the 50 states and the District of Columbia that had an average length of stay of less than 30 days, or hospitals whose specialty was general (medical or surgical) or children's general. Excluded were federal hospitals, hospital units within institutions, and hospitals with less than six beds staffed for patient use.
Sampling
The NHAMCS used a four-stage probability design with samples of PSUs, hospitals within PSUs, clinics within hospitals, and patient visits within clinics.
Collection Mode
  • Per agreement with NCHS, ICPSR distributes the data files and text of the technical documentation for this collection as prepared by NCHS. The codebook is provided as a Portable Document Format (PDF) files. 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 through the ICPSR Website on the Internet.

Note
2006-01-18 File CB2740.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
Availability
Download
This study is freely available to the general public via web download.
Alternative Identifiers
  • 2740 (Type: ICPSR Study Number)
Publications
  • Chirdkiatgumchai, Vilawan, Xiao, Hong, Fredstrom, Bridget K., Adams, Ryan E., Epstein, Jeff N., Shah, Samir S., Brinkman, William B., Kahn, Robert S., Froehlich, Tanya E.. National trends in psychotropic medication use in young children: 1994-2009. Pediatrics.132, (4), 615-623.2013.
    • ID: 10.1542/peds.2013-1546 (DOI)
  • Gupta, M.A., Gupta, A.K., Fink, N.H.. Polypharmacy in dermatology: Analysis of a nationally representative sample of 46,273 dermatology patient visits in the United States from 1995-2009. Skinmed.11, (5), 273-280.2013.
  • Haggins, Adrianne, Patrick, Stephen, Demonner, Sonya, Davis, Matthew M.. When coverage expands: Children's Health Insurance Program as a natural experiment in use of health care services. Academic Emergency Medicine.20, (10), 1026-1032.2013.
    • ID: 10.1111/acem.12236 (DOI)
  • Koelblinger, P. Dabade, T.S., Gustafson, C.J., Davis, S.A., Yentzer, B.A., Kiracofe, E.A., Feldman, S.R.. Skin manifestations of outpatient adverse drug events in the United States: A national analysis. Journal of Cutaneous Medicine and Surgery.17, (4), 269-275.2013.
  • Ladapo, Joseph A.. Physician decision-making and trends in use of cardiac stress testing to diagnose coronary heart disease in the United States. 35th Annual Meeting of the Society for Medical Decision Making.Baltimore, MD. 2013.
  • Manseau, Marc, Case, Brady G.. Racial-ethnic disparities in outpatient mental health visits to US physicians, 1993-2008. Psychiatric Services.2013.
    • ID: 10.1176/appi.ps.201200528 (DOI)
  • Meddles-Torres, Cheryl, Hu, Shuang, Jurgens, Corrine. Changes in prescriptive practices in skin and soft tissue infections associated with the increased occurrence of community acquired methicillin resistant Staphylococcus aureus. Journal of Infection and Public Health.6, (6), 423-430.2013.
    • ID: 10.1016/j.jiph.2013.04.010 (DOI)
  • Barnett, Michael L., Song, Zirui, Landon, Bruce E.. Trends in physician referrals in the united states, 1999-2009. Archives of Internal Medicine.172, (2), 163-170.2012.
    • ID: 10.1001/archinternmed.2011.722 (DOI)
  • Wisniewski, Angela M., Purdy, Christopher H., Blondell, Richard D.. The epidemiologic association between opioid prescribing, non-medical use, and emergency department visits. Journal of Addictive Diseases.27, (1), 1-11.2008.
    • ID: 10.1300/J069v27n01_01 (DOI)
  • Cohen, Jacqueline. Alternative Data Sources for the Study of Assault. Part 2 of Final Report to National Institute of Justice.. 2004.
    • ID: http://www.ncovr.heinz.cmu.edu/Docs/Special_Project/NIJ_Final_Report.pdf (URL)
  • Cunningham, Peter, May, Jessica. Insured Americans Drive Surge in Emergency Department Visits. Issue Brief: Findings from HSC.70, Washington, DC: Center for Studying Health System Change. 2003.
    • ID: http://www.hschange.org/CONTENT/613/613.pdf (URL)
  • Burt, C.W., Overpeck, M.D.. Emergency visits for sports-related injuries. Annals of Emergency Medicine.37, (3), 301-308.2001.
    • ID: 10.1067/mem.2001.111707 (DOI)
  • Powell, E.C., Tanz, R.R.. Cycling injuries treated in emergency departments: need for bicycle helmets among preschoolers. Archives of Pediatrics and Adolescent Medicine.154, (11), 1096-1100.2000.
  • Anonymous. Impact of arthritis and other rheumatic conditions on the health-care system--United States, 1997. Morbidity and Mortality Weekly Report.48, (17), 349-353.1999.
  • Centers for Disease Control and Prevention. Impact of arthritis and other rheumatic conditions on the health-care system--United States, 1997. JAMA, The Journal of the American Medical Association.281, (23), 2177-2178.1999.
  • McCaig, Linda F.. National Hospital Ambulatory Medical Care Survey: 1997 Outpatient Department Summary. Advance Data from Vital and Health Statistics.307, Hyattsville, MD: United States Department of Health and Human Services, National Center for Health Statistics. 1999.
    • ID: http://www.cdc.gov/nchs/data/ad/ad307.pdf (URL)
  • Norjah, Parivash. National Hospital Ambulatory Medical Care Survey: 1997 Emergency Department Summary. Advance Data from Vital and Health Statistics.304, Hyattsville, MD: United States Department of Health and Human Services, National Center for Health Statistics. 1999.
    • ID: http://www.cdc.gov/nchs/data/ad/ad304.pdf (URL)
  • Nourjah, Parivash. National Hospital Ambulatory Medical Care Survey:1997 Emergency Department Summary. Advance Data from Vital and Health Statistics.304, Hyattsville, MD: National Center for Health Statistics. 1999.
    • ID: http://www.cdc.gov/nchs/data/ad/ad304.pdf (URL)
  • Schappert, Susan M.. Ambulatory care visits to physician offices, hospital outpatient departments, and emergency departments: United States, 1997. Vital and Health Statistics, Series 13: Data From the National Health Survey.143, Hyattsville, MD: National Center for Health Statistics. 1999.
    • ID: http://www.cdc.gov/nchs/data/series/sr_13/sr13_143.pdf (URL)
  • McCaig, L.F., McLemore, T.. Plan and Operation of the National Hospital Ambulatory Medical Care Survey. Vital and Health Statistics, Series 1: Programs and Collection Procedures.34, Hyattsville, MD: United States Department of Health and Human Services, National Center for Health Statistics. 1994.

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 (1999): National Hospital Ambulatory Medical Care Survey, 1997. Version 1. National Hospital Ambulatory Medical Care Survey Series. Version: v1. ICPSR - Interuniversity Consortium for Political and Social Research. Dataset. https://doi.org/10.3886/ICPSR02740.v1