Fig. 2
From: One year of ETI reduces lung bacterial colonisation in adults with cystic fibrosis
Mean density of CF pathogens in sputum cultures (CFU/ml) at a one-year interval from ETI introduction (Y-2: 2 years before ETI introduction, Y-1: 1 year before ETI introduction, Y0: at ETI introduction, Y + 1: the year following ETI introduction).
