Table 4.
Multiple Logistic Regression of variables predictive of S.Typhi bacteremia, community-acquired bacteremia and mortality
| Variable | OR | 95% CI | P |
|---|---|---|---|
| Predictive of blood cultures growing S. Typhi versus a non-S. Typhi clinically significant cause of community-acquired bacteremia AUROCC (95%CI) = 0.809 (0.760–0.857) | |||
| Age/years | 0.95 | 0.93–0.97 | < 0.001 |
| Days ill | 1.04 | 1.00–1.08 | < 0.001 |
| Diarrhea | 3.56 | 1.63–7.83 | 0.001 |
| Axillary temperature °C | 1.94 | 1.20–3.12 | 0.007 |
| Peripheral white count 109/L | 0.88 | 0.83–0.94 | < 0.001 |
|
Predictive of blood cultures growing or not growing a clinically significant cause of community-acquired bacteremia AUROCC (95%CI) = 0.645 (0.615–0.674) | |||
| Abdominal pain | 1.40 | 1.09–1.79 | 0.007 |
| Vomiting | 0.74 | 0.58–0.95 | 0.018 |
| Diarrhea | 1.44 | 1.12–1.86 | 0.005 |
| Diabetes mellitus | 3.16 | 2.16–4.62 | <0.001 |
| Abscess | 2.29 | 1.33–3.94 | 0.003 |
| Axillary temperature °C | 1.45 | 1.28–1.65 | < 0.001 |
|
Predictive of death among patients with community-acquired bacteremia AUROCC (95%CI) = 0.738 (0.643–0.833) | |||
| Axillary temperature °C | 0.47 | 0.30–0.76 | 0.002 |
| Neutrophils% | 1.06 | 1.02–1.10 | 0.005 |
| Pulse/minute | 1.02 | 1.00–1.04 | 0.041 |
AUROCC (95%CI) = area under the receiver operating characteristic curve with 95% confidence interval.