Research
Open Access
Risk stratification for COVID-19 hospitalization: a multivariable model based on gradient-boosting decision trees
Jahir M. Gutierrez, Maksims Volkovs, Tomi Poutanen, Tristan Watson and Laura C. Rosella
December 21, 2021 9 (4) E1223-E1231; DOI: https://doi.org/10.9778/cmajo.20210036