Fig. 2From: Recruitability and effect of PEEP in SARS-Cov-2-associated acute respiratory distress syndromeDistribution of ratio of partial pressure of arterial oxygen and fraction of inspired oxygen (PaO2/FiO2) at positive end-expiratory pressure (PEEP) 5 cmH2O and 15 cmH2O within 36 h after intubation in the highly recruitable and poorly recruitable patients groups. *, p < 0.01; NS, not significant (p > 0.05)Back to article page