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. 2018 Mar 28;13(3):e0193226. doi: 10.1371/journal.pone.0193226

Fig 4. Association between change in 6MWD from baseline to Month 6 (by quartiles) and long-term outcomes in patients with PAH: A. PAH-related death or hospitalization up to end of treatment; B. All-cause death up to end of study.

Fig 4

6MWD, six-minute walk distance; K-M, Kaplan–Meier; PAH, pulmonary arterial hypertension.