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Kaplan Meier Plots for Diastolic Pulmonary Artery Pressure to Pulmonary Capillary Wedge Pressure Gradient (DPG) in patients with pulmonary hypertension (PH) and an elevated transpulmonary gradient > 12mmHg: a) 3mmHg, b) 5 mmHg, c) 7 mmHg, d) 10 mmHg.
