Fig. 3From: Computed tomography assessment of PEEP-induced alveolar recruitment in patients with severe COVID-19 pneumoniaHistogram distribution of lung volume aeration along the Hounsfield units scale at the two PEEP levels. Data are reported overall (panel A) and stratified in the recruiter (panel B) and non-recruiter (panel C) groups. PEEP: positive end-expiratory pressure. Bars represent medians, error bars the interquartile rangesBack to article page