Development and External Validation of a Machine Learning Tool to Rule Out COVID-19 Among Adults in the Emergency Department Using Routine Blood Tests: A Large, Multicenter, Real-World Study

Timothy B Plante   ^{1, 2} , MD, MHS ;   Aaron M Blau   ² , MD ;   Adrian N Berg   ^{3, 4} , BS ;   Aaron S Weinberg   ⁵ , MD, MPhil ;   Ik C Jun   ⁵ , MD ;   Victor F Tapson   ⁵ , MD ;   Tanya S Kanigan   ⁴ , PhD ;   Artur B Adib   ⁴ , PhD

¹ Larner College of Medicine at the University of Vermont, Colchester, VT, United States

² University of Vermont Medical Center, Burlington, VT, United States

³ Larner College of Medicine at the University of Vermont, Burlington, VT, United States

⁴ Biocogniv Inc, South Burlington, VT, United States

⁵ Cedars-Sinai Medical Center, Los Angeles, CA, United States