Impact of the Coronavirus Disease 2019 (COVID-19) Pandemic on Imaging Case Volumes |
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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. Visiting Scholar, Feinstein Institutes for Medical Research, Manhasset, New York;5. 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, Manhasset, 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;11. Northwell Health, Manhasset, New York |
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Abstract: | ObjectiveThe coronavirus disease 2019 (COVID-19) pandemic has had significant economic impact on radiology with markedly decreased imaging case volumes. The purpose of this study was to quantify the imaging volumes during the COVID-19 pandemic across patient service locations and imaging modality types.MethodsImaging case volumes in a large health care system were retrospectively studied, analyzing weekly imaging volumes by patient service locations (emergency department, inpatient, outpatient) and modality types (x-ray, mammography, 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. Independent-samples t tests compared the mean weekly volumes in 2020 and 2019.ResultsTotal imaging volume in 2020 (weeks 1-16) declined by 12.29% (from 522,645 to 458,438) compared with 2019. Post-COVID-19 (weeks 10-16) revealed a greater decrease (28.10%) in imaging volumes across all patient service locations (range 13.60%-56.59%) and modality types (range 14.22%-58.42%). Total mean weekly volume in 2020 post-COVID-19 (24,383 95% confidence interval 19,478-29,288]) was statistically reduced (P = .003) compared with 33,913 95% confidence interval 33,429-34,396] in 2019 across all patient service locations and modality types. The greatest decline in 2020 was seen at week 16 specifically for outpatient imaging (88%) affecting all modality types: mammography (94%), nuclear medicine (85%), MRI (74%), ultrasound (64%), interventional (56%), CT (46%), and x-ray (22%).DiscussionBecause the duration of the COVID-19 pandemic remains uncertain, these results may assist in guiding short- and long-term practice decisions based on the magnitude of imaging volume decline across different patient service locations and specific imaging modality types. |
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Keywords: | COVID-19 imaging volume patient service locations modality types |
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