10/11/2023 0 Comments Ct and mri diagnostics![]() ![]() Among children, annual growth for CT stabilized or declined (United States: from 10.1% in 2000-2005 to 0.8% in 2013-2016 Ontario: from 3.3% in 2000-2006 to -5.3% in 2006-2016), but patterns for MRI were similar to adults. Annual growth in imaging rates among US adults and older adults slowed over time for CT (from an 11.6% annual percentage increase among adults and 9.5% among older adults in 2000-2006 to 3.7% among adults in 2013-2016 and 5.2% among older adults in 2014-2016) and for MRI (from 11.4% in 2000-2004 in adults and 11.3% in 2000-2005 in older adults to 1.3% in 2007-2016 in adults and 2.2% in 2005-2016 in older adults). For example, among older adults, CT imaging rates were 4 person-years in 2016 vs 2 in 2000 in US health care systems and 4 vs 1 in Ontario for MRI, 1 vs in the United States and vs in Ontario and for ultrasound, 4 vs 3 in the United States and 5 vs 3 in Ontario. Among adults and older adults, imaging rates were significantly higher in 2016 vs 2000 for all imaging modalities other than nuclear medicine. Annual and relative imaging rates by imaging modality, country, and age (children, adults, and older adults ). Use of computed tomography (CT), magnetic resonance imaging (MRI), ultrasound, and nuclear medicine imaging. Retrospective cohort study of patterns of medical imaging between 20 among 16 million to 21 million patients enrolled annually in 7 US integrated and mixed-model insurance health care systems and for individuals receiving care in Ontario, Canada.Ĭalendar year and country (United States vs Canada). To evaluate recent trends in medical imaging. Medical imaging increased rapidly from 2000 to 2006, but trends in recent years have not been analyzed. 13 Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon.12 Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts.11 Center for Health Research, Genomic Medical Institute, Geisinger, Danville, Pennsylvania.10 Pediatric Oncology Group of Ontario and Dalla Lana School of Public Health, University of Toronto, Toronto, Canada.9 Marshfield Clinic Research Institute, Marshfield, Wisconsin.8 Interventional Radiology Section, Washington University in St Louis, St Louis, Missouri. ![]() Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville. 5 Kaiser Permanente Washington Health Research Institute, Seattle.4 Graduate Group in Epidemiology, University of California, Davis.3 Department of Public Health Sciences, University of California, Davis.2 Division of Research, Kaiser Permanente Northern California, Oakland.Lee Institute for Health Policy Studies, University of California, San Francisco. 1 Department of Radiology and Biomedical Imaging, Epidemiology and Biostatistics, and Philip R.
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