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. 2023 Jul 28;5:1193467. doi: 10.3389/fdgth.2023.1193467

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© 2023 Datta, George Dalmida, Martinez, Newman, Hashemi, Khoshgoftaar, Shorten, Sareli and Eckardt.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Work flowchart. Flowchart depicts the data inclusion strategy. Of the “5,594” hospitalized cases, “5,371” are confirmed COVID-19 cases. After excluding variables for missing data, 25 variables (among them, 24 are independent variables, and “mortality” is a dependent variable) meet the inclusion criteria.