Fig. 2.
Pulmonary improvement score evaluated at T3 (Panel A) and at TEnd (Panel B). Legend: At T3 the Pulmonary improvement score was evaluated as improvement of SIMEU class, presence of radiological improvement, 10% improvement in the PaO2/FiO2 ratio, 10% reduction in LDH concentration (score from 0 to 4). At TEnd the Pulmonary improvement score was evaluated as improvement of SIMEU class, presence of radiological improvement, 10% improvement in the PaO2/FiO2 ratio, 10% reduction in LDH concentration and length of oxygen therapy < 5 days (score from 0 to 5).
