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Results of logistic regression analysis, with death as dependent variable.
| Variable | OR | 95% CI |
| Propensity score | 0.95 | 0.09–9.76 |
| Pre-hospital antibiotic use | 0.37 | 0.15–0.93 |
| Age | 1.03 | 1.01–1.04 |
| Interval symptoms to in-hospital treatment | 0.99 | 0.98–1.01 |
