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National Ambulatory Medical Care Survey, 1991 [United States]

PSC Data Catalog: Study Bibliographic Details:

Access to Files:Data and Documentation
Title:National Ambulatory Medical Care Survey, 1991 [United States]
Study Number:651
Catalog Date:05/16/2000
Primary Investigator(s):United States Department of Health and Human Services. National Center for Health Statistics (NCHS)
Source:ICPSR
Access Restrictions:No
Abstract:The National Ambulatory Medical Care Survey (NAMCS) provides data from samples of patient records selected from a national sample of office-based physicians. These national estimates describe the utilization of ambulatory medical care services in the United States. In 1991, there were 33,795 patient records provided by 1,354 doctors who participated in the survey. The survey obtains information on the age, race, and sex of the patient, and on physician characteristics such as geographic location and specialization. Data describing the nature of the office visit include the expected source of payment, patient's problem, prior visit status, referral status, physician's diagnoses, diagnostic and therapeutic services provided, and disposition and duration of the visit. Other variables cover drugs/medications ordered, administered, or provided during office visits, such as medication code, generic name and code, brand name, entry status, prescription status, composition status, and related ingredient codes.
Universe:Office visits made within the United States by patients of non-federally-employed physicians who were primarily involved in office-based patient care activities, but not engaged in the specialties of radiology, pathology, or anesthesiology.

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