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. 2020 Feb 20;15(2):e0229173. doi: 10.1371/journal.pone.0229173

Fig 3. Associations between PA enlargement and pulmonary hypertension measured at right-heart catheterization in cystic fibrosis. PA enlargement was associated with PH defined by mPAP ≥25 mmHg (*P<0.05) in logistic regression models adjusted for age, sex, FEV1 percent predicted, and supplemental oxygen use.

Fig 3

Abbreviations: CI = confidence interval; FEV1 = forced expiratory volume in 1-second; PA:A = pulmonary artery diameter to aorta diameter ratio.