Table 4.
Univariate and multivariate logistic regression for hospital mortality
| Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| O.R. (95% CI) | p-value | Adjusted O.R. (95% CI) | p-value | |
| Age | 1.03 (0.99, 1.07) | 0.114 | 1.01 (0.94, 1.09) | 0.738 |
| Male | 0.72 (0.23, 2.24) | 0.573 | 0.37 (0.05, 2.61) | 0.320 |
| Diabetes Mellitus | 1.03 (0.33, 3.20) | 0.964 | 1.32 (0.13, 13.04) | 0.814 |
| Hypertension | 0.95 (0.33, 2.76) | 0.930 | 0.57 (0.08, 4.18) | 0.578 |
| Cardiac disease | 2.43 (0.79, 7.48) | 0.122 | 4.85 (0.63, 37.7) | 0.131 |
| Chronic lung disease | 0.24 (0.23, 1.91) | 0.178 | 0.34 (0.03, 4.38) | 0.404 |
| Cerebrovascular disease | 1.89 (0.46, 7.68) | 0.375 | 5.59 (0.58, 53.7) | 0.136 |
| End-stage renal failure | 4.67 (0.72, 30.4) | 0.108 | 7.23 (0.18, 296.8) | 0.297 |
| Serum C-Reactive Protein | 1.00 (1.00, 1.00) | 0.693 | 1.00 (0.99, 1.01) | 0.872 |
| Serum Procalcitonin | 1.01 (1.00, 1.03) | 0.035 | 1.03 (1.00, 1.05) | 0.044 |
| Multilobar lung infiltrates | 1.08 (0.34, 2.36) | 0.900 | 2.14 (0.36, 12.51) | 0.400 |
| Pleural effusion | 1.71 (0.43, 6.89) | 0.449 | 7.97 (0.36, 178.40) | 0.191 |
| APACHE II | 1.12 (1.05, 1.19) | 0.001 | 1.15 (1.03, 1.28) | 0.014 |
| Appropriate empirical antibiotics | 0.52 (0.10, 2.77) | 0.444 | 2.59 (0.013, 522.06) | 0.726 |
| Microbial pathogens | ||||
| -No isolates | 1 | |||
| -Bacteria only | 0.30 (0.03, 3.07) | 0.312 | 0.14 (0.004,2.27) | 0.143 |
| -Viruses only | 1.85 (0.40, 8.49) | 0.428 | 4.63 (0.47, 45.53) | 0.189 |
| -Mixed viral-bacterial co-infections | 6.36 (1.39, 29.1) | 0.017 | 13.99 (1.30, 151.05) | 0.030 |
| -Atypical infection | Omitted | Omitted | ||
Data are presented as odds ratio (95% confidence interval)
APACHE Acute Physiology and Chronic Health Evaluation