Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Crit Care Med. May 9, 2021; 10(3): 47-57
Published online May 9, 2021. doi: 10.5492/wjccm.v10.i3.47
Figure 1
Figure 1 Flow diagram of the study population. COVID-19: Coronavirus disease; 2019; CT: Computed tomography; RT-PCR: Reverse transcription-polymerase chain reaction.