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Logistic regression model for antibiotic use at any time point
| Variables | Odds ratio | 95% confidence interval | p-value |
|---|---|---|---|
| Otitis media | 8.325 | 3.577–19.374 | < 0.0001 |
| Peak CRP | 1.772 | 1.538–2.041 | < 0.0001 |
| Length of oxygen therapy | 1.404 | 1.130–1.744 | 0.0022 |
| Septic appearance | 4.882 | 0.866–27.505 | 0.0723 |
