Tables
>70 yr 18–70 yr Number of patients 100 250 IPAH : HPAH : ArPAH, % 88 : 0 : 12 81:7:12 Sex ratio F/M 1 1.29 Age, yr 76±3 51±14 NYHA FC, I-II : III : IV, % 16 : 63 : 21 24 : 62 : 14 6-min walk distance, m 242±108 349±119 Right atrial pressure, mmHg 8±5 9±6 Pulmonary artery mean pressure, mmHg 44±9 52±13 Pulmonary capillary wedge pressure, mmHg 9±4 9±4 Cardiac index, L/min/m2 2.4±0.6 2.4±0.8 Pulmonary vascular resistance, d·s·cm–5 716±276 904±498