Kaplan–Meier survival curves for baseline cardiac magnetic resonance imaging variables according to the median value in patients with pulmonary hypertension. Kaplan–Meier survival curves for baseline cardiac magnetic resonance imaging variables according to the median value in patients with pulmonary hypertension. SVI: stroke volume index; RV: right ventricular; RVEDVI: RV end-diastolic volume index; LVEDVI: left ventricular end-diastolic volume index. Reproduced from [48] with permission from the publisher. A. Vonk Noordegraaf, and N. Galiè Eur Respir Rev 2011;20:243-253 ©2011 by European Respiratory Society