Table 1. Distinction of PH, precapillary PH and postcapillary PH [8].

no PH	mPAP <25 mmHg
PH	mPAP ≥25 mmHg
precapillary PH	mPAP ≥25 mmHg and PCWP <15 mmHg
postcapillary PH	mPAP ≥25 mmHg and PCWP ≥15 mmHg