Coronavirus Disease 2019 (COVID-19) Pandemic Shifts Inpatient Imaging Utilization |
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| Institution: | 1. Chair, Department of Radiology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York;2. Senior Vice President / Regional Executive Director, Northwell Health, Manhasset, New York;3. Siemens Medical Solutions USA, Inc, Malvern, Pennsylvania;4. Feinstein Institutes for Medical Research, Manhasset, New York;5. Visiting Scholar, Feinstein Institutes for Medical Research, Manhasset, New York;6. Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York;7. Senior Vice President of Imaging Services, Northwell Health, Manhassset, New York;8. Harvey L. Neiman Health Policy Institute, Reston, Virginia;9. School of Economics, Georgia Institute of Technology, Atlanta, Georgia;10. Vice Chair of Research, Department of Radiology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, New York |
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| Abstract: | ObjectiveThe coronavirus disease 2019 (COVID-19) pandemic has had a significant impact on imaging utilization across practice settings. The purpose of this study was to quantify the change in the composition of inpatient imaging volumes for modality types and Current Procedural Terminology–coded groups during the COVID-19 pandemic.MethodsA retrospective study of inpatient imaging volumes in a large health care system was performed, analyzing weekly imaging volumes by modality types (radiography, CT, MRI, ultrasound, interventional radiology, nuclear medicine) in years 2020 and 2019. The data set was split to compare pre-COVID-19 (weeks 1-9) and post-COVID-19 (weeks 10-16) periods. Further subanalyses compared early post-COVID-19 (weeks 10-13) and late post-COVID-19 (weeks 14-16) periods. Statistical comparisons were performed using χ2 and independent-samples t tests.ResultsCompared with 2019, total inpatient imaging volume in 2020 post-COVID-19, early and late post-COVID-19 periods, declined by 13.6% (from 78,902 to 68,168), 16.6% (from 45,221 to 37,732), and 9.6% (from 33,681 to 30,436), respectively. By week 16, inpatient imaging volume rebounded and was only down 4.2% (from 11,003 to 10,546). However, a statistically significant shift (P < .0001) in the 2020 composition mix was observed largely comprised of radiography (74.3%), followed by CT (12.7%), ultrasound (8%), MRI (2.4%), interventional radiology (2.3%), and nuclear medicine (0.4%). Although the vast majority of imaging studies declined, few Current Procedural Terminology–coded groups showed increased trends in imaging volumes in the late post-COVID-19 period, including CT angiography chest, radiography chest, and ultrasound venous duplex.DiscussionDuring the COVID-19 pandemic, we observed a decrease in inpatient imaging volumes accompanied by a shift away from cross-sectional imaging toward radiography. These findings could have significant implications in planning for a potential resurgence. |
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| Keywords: | COVID-19 CPT-coded examinations imaging volume inpatient service modality types |
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