Table 3.
Risk factors of 30-day crude mortality.
| Variable | Patient Number (%) | Univariate Analysis | Multivariate Analysis | |||
|---|---|---|---|---|---|---|
| Death, n = 10 | Survival, n = 436 | OR (95% CI) | p Value | Adjusted OR (95% CI) | p Value | |
| Pitt bacteremia score | ||||||
| 0 at onset | 0 (0) | 139 (31.9) | - | 0.04 | NS | NS |
| 0 at Day 3 | 1 (10.0) | 348 (79.8) | 0.03 (0.004–0.23) | <0.001 | 0.03 (0.004–0.25) | 0.001 |
| Sources of bacteremia | ||||||
| Pneumonia | 2 (20.0) | 10 (2.3) | 10.65 (2.00–56.66) | 0.001 | NS | NS |
| Urinary tract infections | 4 (40.0) | 289 (66.3) | 0.34 (0.09–1.22) | 0.099 | NS | NS |
| Causative microorganisms | ||||||
| Escherichia coli | 4 (40.0) | 336 (77.1) | 0.20 (0.06–0.72) | 0.01 | NS | NS |
| Proteus mirabilis | 2 (20.0) | 14 (3.2) | 7.54 (1.46–38.79) | 0.046 | NS | NS |
| Rapidly or ultimately fatal comorbidities (McCabe classification) | 6 (60.0) | 69 (15.8) | 7.98 (2.19–29.01) | 0.002 | 7.55 (1.82–31.31) | 0.005 |
| Comorbidity types | ||||||
| Diabetes mellitus | 0 (0) | 192 (44.0) | - | 0.006 | NS | NS |
| Malignancies | 7 (70.0) | 92 (21.1) | 8.73 (2.21–34.4) | 0.001 | NS | NS |
NS = No significance (after processing the stepwise and backward multivariate regression); OR = odds ratio; CI = confidence interval.