Observational Study
Copyright ©The Author(s) 2021.
World J Clin Cases. Oct 6, 2021; 9(28): 8388-8403
Published online Oct 6, 2021. doi: 10.12998/wjcc.v9.i28.8388
Figure 1
Figure 1 The flowchart illustrating the patients in the training and validation cohorts. The data for each cohort was obtained and analyzed retrospectively. A: Patients in the training cohort; B: Patients in the validation cohort. COVID-19: Coronavirus disease 2019; ICU: Intensive care unit.