Table 3.

Predictive Factors for the Occurrence of CVEs During Hospitalization in Univariate and Multivariable Logistic Regression Analysis

Predictive Factors	Univariate Logistic Regression Analysis			Multivariable Logistic Regression Analysis
	OR	95% CI	p	OR	95% CI	p
Age	1.061	1.041–1.082	<0.001	1.054	1.035–1.074	<0.001
Sex	0.838	0.675–1.042	0.111	–
Long-term bedridden status	2.568	1.890–3.490	<0.001	1.112	0.716–1.725	0.637
Aspiration	2.665	2.007–3.539	<0.001	1.881	1.259–2.811	0.002
Cardiovascular disease	3.272	2.472–4.332	<0.001	1.142	0.683–1.911	0.612
Hypertension	1.903	1.521–2.380	<0.001	1.367	0.949–1.968	0.093
Ischemic heart disease	2.856	2.291–3.560	<0.001	2.222	1.609–3.069	<0.001
Congestive heart failure	6.158	4.516–8.389	<0.001	6.164	4.139–9.181	<0.001
Chronic respiratory disease	1.030	0.810–1.310	0.809	-
Diabetes mellitus	1.447	1.129–1.855	0.004	1.113	0.815–1.521	0.500
Cerebral vascular disease	1.651	1.311–2.079	<0.001	0.943	0.694–1.282	0.707
Chronic renal disease	2.575	1.749–3.791	<0.001	1.249	0.755–2.066	0.386
WBC count	1.039	1.017–1.062	<0.001	1.002	0.975–1.030	0.865
Lymphocyte count	0.745	0.634–0.876	<0.001	0.970	0.858–1.096	0.621
Albumin	0.950	0.933–0.967	<0.001	0.990	0.967–1.014	0.419
Blood sodium	0.978	0.966–0.0991	0.001	0.981	0.967–0.995	0.007
BUN	1.077	1.058–1.096	<0.001	1.031	1.009–1.055	0.007
CURB-65	1.997	1.745–2.285	<0.001	1.149	0.945–1.397	0.165
PaO2	0.996	0.991–1.001	0.124	-
Clinical failure	7.596	5.931–9.730	<0.001	4.687	3.392–6.476	<0.001
Use of glucocorticoids	2.007	1.512–2.663	<0.001	2.000	1.385–2.887	<0.001
Pleural effusion	2.602	2.078–3.258	<0.001	1.661	1.254–2.200	<0.001
Multilobe infiltration	1.696	1.362–2.111	<0.001	1.503	1.151–1.963	0.003

Abbreviations: CVE, cardiovascular event; OR, odds ratio; CI, confidence interval; WBC, white blood cell; BUN, blood urea nitrogen; PaO₂, arterial partial pressure of oxygen.