Figure 1: Timeline charts illustrate several parameters in 68 discharged patients with COVID-19 (24 nonsurvivors and 44 survivors) every other day. Data expressed as median (interquartile range). P values indicate differences between survivors and nonsurvivors. P < 0.05 was considered statistically significant. COVID-19: Corona virus disease 2019, FiO2: Fraction of inspiration O2, LIS: Lung injury score, PaCO2: Partial pressure of carbon dioxide, PaO2: Partial pressure of oxygen, PEEP: Positive end-expiratory pressure, SOFA: Sequential organ failure assessment. * means P < 0.05, and was considered statistically significant.