TABLE 2

Multivariate logistic regression analysis for elevation of mean pulmonary arterial pressure (MPAP)

Variables#OR (95% CI)p-valuePoints
DLCO (% predicted) <50%3.624 (1.763–7.449)<0.0011
PaO2 <80 Torr2.653 (1.242–5.665)0.0121
PA/Ao >0.92.245 (1.083–4.656)0.0301

#: 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.