Figure 3 — Course of illness and outcomes in older COVID-19 patients treated with HFNC: a retrospective analysis

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

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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.