National Ambulatory Medical Care Survey: 1991 Summary A compilation of national estimates of the utilization of ambulatory medical care services provided by office-based physicians in the United States during 1991 has been published by the National Center for Health Statistics (NCHS). These ambulatory medical care statistics are presented by NCHS in the report, National Ambulatory Medical Care Survey: 1991 Summary. Statistics on ambulatory medical care services are described in terms of patient characteristics, physician practice characteristics, and visit characteristics. Highlights include: There were an estimated 669.7 million visits made to nonfederally employed, office-based physicians in 1991, or 2.7 visits per person. 313 office visits were made for every 100 females in 1991, significantly higher than the rate of 223 visits for every 100 males. General medical examination was the most frequently reported reason for visit. Ambulatory surgery was scheduled or performed at 6.1 percent of office visits. Expected sources of payment at office visits were mostly private/commercial insurance (35.8 percent) and payment by patient (23.6 percent). The data for this report are collected as part of the NCHS National Ambulatory Medical Care Survey, which began in 1973 and was conducted annually through 1981. It was next conducted in 1985 and resumed an annual schedule in 1989.
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January 11, 2007
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