Table 3.

Multivariate Logistic Regression Analysis of MDRB Infection in Elderly Patients with Pulmonary Infection

Variables	SE	Wald χ 2	P value	OR	95% CI
						Lower
Respiratory failure	0.237	5.767	0.016	1.768	1.110	2.814
Endotracheal intubation	0.241	8.936	0.003	2.058	1.282	3.304
Previous antibiotic use≥two weeks	0.191	5.141	0.023	1.541	1.060	2.238
Cerebrovascular disease	0.013	9.241	0.002	1.670	1.200	2.325