Fig. 2From: Multivariate joint modeling to identify markers of growth and lung function decline that predict cystic fibrosis pulmonary exacerbation onsetKaplan-Meier plot of time to first recorded pulmonary exacerbation. Time is expressed as age (in years on the x-axis) and PE-free survival probability (y-axis) corresponds to probability of not experiencing a pulmonary exacerbation. Data shown include all patientsBack to article page