Analysis of economics and use of MR imaging units in the United States in 1990.

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Abstract
Personnel from the 72 facilities with the most experience in MR imaging were surveyed, and 45 questionnaires were returned with data to study the economics and use of MR imaging facilities. The data from 1990 were compared with results of studies done in 1985 and 1987. The facilities studied were highly selected, and the data and conclusions are unlikely to be representative of all MR facilities currently operational in the United States. The "typical" MR unit operated about 66 hr per week and imaged 68 patients. Most procedures were examinations of the head and spine (73%), with examinations of bone and joint increasing in frequency (17%). Scheduling delays for both inpatients and outpatients have decreased since 1987, indicating that clinical demand is being met by MR facilities. The global (technical plus professional) charge for an examination was approximately $950, and the charge for IV contrast material was an additional $200. IV contrast material was used in approximately 40% of head and 20% of sp...

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