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Risk of chronic Pseudomonas aeruginosa among individuals entering the cohort at age 13 years by year relative to 2003 adjusting for age, age at diagnosis, gender, cystic fibrosis transmembrane conductance regulator functional class, baseline forced expiratory volume in 1 second, predicted, cystic fibrosis–related diabetes, and pancreatic insufficiency. Abbreviations: CI, confidence interval; RR, relative risk.
