Retrospective Study
Copyright ©The Author(s) 2021.
World J Clin Cases. May 6, 2021; 9(13): 2994-3007
Published online May 6, 2021. doi: 10.12998/wjcc.v9.i13.2994
Figure 1
Figure 1 Flowchart of the study selection process.
Figure 2
Figure 2 Nomogram. BMI: Body mass index; PF: PaO2/FiO2; NL: Neutrophil/lymphocyte.
Figure 3
Figure 3 Calibration and discrimination plot of the coronavirus disease 2019 critical prediction model.