Variables Univariate logistic regression Univariate logistic regression Univariate logistic regression Multivariate logistic regression Multivariate logistic regression Multivariate logistic regression
OR 95% CI P-value OR 95% CI P-value
Age ≥ 65 years 3.28 1.48-8.74 <0.001 2.72 1.15-4.35 <0.001
Gender 1.14 0.84-1.57 0.355
Pulse at ED triage 1.23 1.09-1.47 0.035
Positive PCT (ng/mL) 2.92 1.47-5.35 0.001 2.54 1.29-4.95 0.006
Systolic BP at ED triage (mmHg) 1.60 1.42-1.78 0.008
Presence of comorbidity 2.68 1.20-4.87 0.003 2.37 1.08-4.14 0.033