Course of illness and outcomes in older COVID-19 patients treated with HFNC: a retrospective analysis

Liehua Deng; Shaoqing Lei; Xiaoyan Wang; Fang Jiang; David A. Lubarsky; Liangqing Zhang; Danyong Liu; Conghua Han; Dunrong Zhou; Zheng Wang; Xiaocong Sun; Yuanli Zhang; Chi Wai Cheung; Sheng Wang; Zhongyuan Xia; Richard L Applegate; Jing Tang; Zhenhua Mai; Hong Liu; Zhengyuan Xia

doi:doi:10.18632/aging.203224

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COVID-19 Research Paper Volume 13, Issue 12 pp 15801—15814

Course of illness and outcomes in older COVID-19 patients treated with HFNC: a retrospective analysis

Figure 3. Dynamic changes of PaO2/FiO2 and FiO2 and survival probability in patients with COVID-19. Figure shows temporal changes in PaO₂/FiO₂ (A) and FiO₂ (B), and survival probability (C). COVID-19=coronavirus disease 2019, PaO2/FiO2=Ratio of arterial oxygen partial pressure to fraction inspired oxygen concentration, FiO2 =fraction inspired oxygen concentration. The horizontal lines represent the median value in each group in A and B.