Use Trends and Geographic Variation in Neuroimaging: Nationwide Medicare Data for 1993 and 1998

  • 1 October 2001
    • journal article
    • research article
    • Vol. 22  (9) , 1643-1649
Abstract
BACKGROUND AND PURPOSE: Powerful tools, including CT and MR imaging, have revolutionized neuroimaging. These are routinely used, but the extent and variation of use has not been studied. Our purposes were to determine the use rates of MR imaging and CT (of spine, brain, or head and neck), myelography, conventional angiography, and MR angiography in diagnosing neurologic disorders; to study trends in use; and to determine regional variations in use.

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