Variables# | OR (95% CI) | p-value | Points |
DLCO (% predicted) <50% | 3.624 (1.763–7.449) | <0.001 | 1 |
PaO2 <80 Torr | 2.653 (1.242–5.665) | 0.012 | 1 |
PA/Ao >0.9 | 2.245 (1.083–4.656) | 0.030 | 1 |
#: C-index 0.772 (95% CI 0.699–0.845; p<0.001). DLCO: diffusing capacity of the lung for carbon monoxide; PaO2: arterial oxygen tension; PA: pulmonary artery diameter; Ao: ascending aorta diameter.