Table-III.

Multivariate regression analysis of risk factors in critically ill elderly patients with pulmonary arterial hypertension.

Factors	B	SE	Wald χ2	P	OR	95% CI
COPD	0.220	1.264	0.030	0.862	1.246	0.105–14.836
Respiratory failure	−0.760	1.148	0.438	0.508	0.468	0.049–4.439
RVDd (mm)	−0.308	0.139	4.874	0.027	0.735	0.559–0.966
LAD (mm)	−0.216	0.113	3.675	0.045	0.806	0.646–1.005
FS (%)	−0.346	0.201	2.970	0.085	0.707	0.477–1.049
NT-proBNP (pg/ml)	0.000	0.001	0.454	0.500	1.000	0.998–1.001