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| Baseline rate (%) | NNTB (95% CI) |
| Mean baseline rate | |
| 30.62 | 7 (5 to 12) |
| Smallest baseline rate | |
| 2.06 | 102 (78 to 179) |
| Largest baseline rate | |
| 72.00 | 3 (2 to 5) |
NNTB: number needed to treat for an additional beneficial outcome
