Receiver operating characteristic curve based on rest and post-exercise sPAP for predicting PAH. The area under the curve by rest sPAP was 0.79 for PAH; the area
under the curve by post-exercise sPAP was 0.91 for PAH. Post-exercise sPAP ≥ 69.6 mmHg predicted mPAP ≥ 25 mmHg with the sensitivity of 93% and the specificity of 90%.
sPAP, systolic pulmonary artery pressure; PAH, pulmonary arterial hypertension; mPAP, mean pulmonary artery pressure; AUC, area under the curve; CI, confidence interval.