Total mortality
| Trial | Prophylaxis | Rescue | Odds Ratio | 95% CI low | 95% CI High |
|---|---|---|---|---|---|
| Dunn10 | 9/62 | 8/60 | 1.10 | 0.39 | 3.06 |
| Kendig11 | 29/235 | 49/244 | 0.56 | 0.34 | 0.92 |
| Egberts12 | 10/75 | 15/72 | 0.58 | 0.25 | 1.39 |
| Walti14 | 18/134 | 29/122 | 0.50 | 0.26 | 0.94 |
| Totals | 66/506 (13%) | 101/498 (20%) | 0.59 | 0.42 | 0.82 |