Fig. 2.

Overall and CLAD-free survival in the 3 groups: GNB recolonization, GNB de novo colonization and exempt of GNB: a At the species level (conventional phenotypic identification). b At the strain level (MALDI-TOF MS). Definition of abbreviations: CLAD: Chronic Lung Allograft Dysfunction, GNB: Gram Negative Bacteria. At the species level the group: GNB de-novo colonization presented with a worse CLAD free survival than the groups GNB recolonization or exempt of GNB colonization (p = 0.005). At the strain level there was a tendency to better CLAD free survival in the subgroup GNB recolonization compared to the subgroup de-novo GNB colonization without reaching statistical significance