TABLE 5

Univariate and multivariate logistic regression analysis of predictive variables of lung injury

VariableUnivariateMultivariate
OR95% CIp-valueOR95% CIp-value
Baseline characteristics
 Age years0.9910.970–1.0130.420
 Male1.1920.647–2.1940.573
 NYHA FC (I–II versus III–IV)1.6670.864–3.2160.128
 6MWD m0.9960.993–0.9990.0050.9960.993–0.9990.022
Baseline haemodynamics
 Mean RAP mmHg1.0320.957–1.1140.413
 Mean PAP mmHg1.0861.045–1.128<0.0011.0831.039–1.130<0.001
 Cardiac index L·min−1·m−20.5080.292–0.8820.016
 PVR dyn·s·cm−51.0031.002–1.005<0.001
Other covariate
 Period of BPA procedure (recent versus initial period)0.3400.181–0.6400.0010.3670.175–0.7710.008

NYHA FC: New York Heart Association functional class; 6MWD: 6-min walk distance; RAP: right atrial pressure; PAP: pulmonary artery pressure; PVR: pulmonary vascular resistance; BPA: balloon pulmonary angioplasty.