Categorical variables were expressed as a percentage and a number, while quantitative variables were expressed either as median with 25–75 interquartile range (IQR) unless specify as § for mean±SD. Fisher or Chi-square tests were used for categorical variables. Mann-Whitney test was used for continuous variables. Abbreviations: AR: acute cellular rejection; BMI: Body Mass Index; CF: Cystic Fibrosis; ECMO: extra corporeal Membrane Oxygenation; EVLP: ex vivo lung preconditioning; GERD: gastro-esophagial reflux; ILD: Interstitial Lung Disease; LAS: Lung Allocation Score; PGD3: Primary Graft Dysfunction grade 3.