Table 2.
Logistic regression analysis of predictors for 28-day mortality among patients with bacteraemic pneumonia caused by Acinetobacter baumannii.
| Characteristic | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| Crude OR (95% CI) | p | Adjusted OR (95% CI) | p | |
| Biofilm formation strains infection | 0.623 (0.361–1.074) | 0.088 | ||
| APACHE II score | 1.152 (1.109–1195) | <0.001 | 1.158 (1.113–1.206) | <0.001 |
| Previous ICU admission | 2.022 (1.191–3.436) | 0.009 | 2.723 (1.361–5.450) | 0.005 |
| Hypertension | 0.606 (0.375–0.981) | 0.041 | 0.437 (0.236–0.811) | 0.009 |
| Congestive heart failure | 0.450 (0.235–0.862) | 0.016 | ||
| Cerebrovascular disease | 0.470 (0.244–0.903) | 0.023 | ||
| Previous antibiotic exposure | 1.695 (0.975–2.947) | 0.061 | ||
| Multidrug re sistance strains infectiona | 1.684 (0.751–3.777) | 0.206 | ||
*APACHE II = Acute Physiology and Chronic Health Evaluation II, ICU = intensive care unit; CI = confidence interval, OR = odds ratio.
aDefinition: resistance to three or more of the following classes of antimicrobial agents: anti-pseudomonal cephalosporins, anti-pseudomonal carbapenems, ampicillin/sulbactam, fluoroquinolones, and aminoglycosides.