Fig. 3

a Variation of the median VTdorsal/VTglobal; b variation of EELI compared to baseline in dorsal and ventral regions, for patients with an increase of the static compliance by ≥ 3 mL/cmH2O (PCG+)) and patients with static compliance < 3 mL/cmH2O, respectively (PCG−). *p < 0.05 vs. baseline; £p < 0.05 between PCG+ and PCG−