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. 2015 Dec 2;10(12):e0141911. doi: 10.1371/journal.pone.0141911

Fig 1. Kaplan-Meier survival estimates in patients with pulmonary hypertension associated with chronic fibrosing idiopathic interstitial pneumonias (PH-IIP) and patients with idiopathic pulmonary arterial hypertension (IPAH).

Fig 1

Numbers at risk at baseline and after 1 year, 2 years, 3 years, 4 years and 5 years in the IPAH cohort were 786, 558, 382, 253, 154 and 43, respectively, and in the PH-IIP cohort 150, 84, 40, 21, 10 and 2, respectively.