Published in Cancer Weekly, July 5th, 2005
In a recent study, researchers in the United States conducted a study "to retrospectively determine how changes in utilization of computed tomography (CT), magnetic resonance (MR) imaging, and other imaging technologies between 1996 and 2002 influenced costs of inpatient hospital care at one large academic medical center. Institutional review board did not require its approval or patient informed consent for studies with use of billing data."
"Patient anonymity was protected by removal of potentially identifying information. Data on hospital costs for 17,139 patients...
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