Day of Week, Site of Service, and Patient Complexity Differences in Venous Ultrasound Interpreted by Radiologists Versus Nonradiologists

Journal of the American College of Radiology : JACR
Anand M PrabhakarRichard Duszak

Abstract

Nationally, nonradiologists interpret an increasing proportion of lower extremity venous duplex ultrasound (LEVDU) examinations. We aimed to study day of week, site of service, and patient complexity differences in LEVDU services interpreted by radiologists versus nonradiologists. Using carrier claims files for a 5% national sample of Medicare beneficiaries from 2012 to 2015, we retrospectively classified all LEVDU examinations by physician specialty (radiologist versus nonradiologist), day of week (weekday versus weekend), site of service, and patient Charlson Comorbidity Index (CCI) scores. Pearson's χ2 was used to test statistical significance. Of 760,433 LEVDU examinations for which provider specialty could be determined, 439,964 (58%) were interpreted by radiologists and 320,469 (42%) by nonradiologists. On weekends, radiologists interpreted 75% (66,094 of 88,244) and nonradiologists 25% (22,150 of 88,244) (P < .0001). Of LEVDU examinations interpreted by radiologists, 57% were performed in the inpatient or emergency department settings, and 70% of LEVDU examinations interpreted by nonradiologists were performed in the private office or outpatient hospital setting. Radiologists interpreted a slightly larger proportion (17%...Continue Reading

Citations

Sep 29, 2018·AJNR. American Journal of Neuroradiology·P E SharpR Duszak
Mar 6, 2021·AJNR. American Journal of Neuroradiology·D R JohnsonR Duszak

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