The area under the curve (AUC) for prediction of APE‐PAH by BNP was 0.876 (95% confidence interval [CI]: 0.815−0.938, p < .001), with a sensitivity and specificity of 0.815 and 0.852 when the cutoff value was 216.22 pg/mL. Here, NPPB is linked to pulmonary arterial hypertension.