RT Research Data T1 National Ambulatory Medical Care Survey, 1991 LA English PP Erscheinungsort nicht ermittelbar PB [Verlag nicht ermittelbar] YR 1995 UL https://krimdok.uni-tuebingen.de/Record/1902797752 AB 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. K1 ambulatory care K1 doctor visits K1 health care services K1 Medical care K1 medical evaluation K1 medical records K1 medications K1 Patient Care K1 Patients K1 Physicians K1 Prescription Drugs K1 Treatment K1 Forschungsdaten DO 10.3886/ICPSR06430.v1