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Percentage of children with episodes with and without confirmation given by investigator
| Active group, N = 388 | Control group, N = 379 | P | RR (95% CI) | NNT | |
| % Children with episodes | 77 | 83 | 0.03 | 0.93 (0.87–1.00) | 17 |
| % Children with episodes confirmed by investigator | 69 | 77 | 0.004 | 0.89 (0.82–0.97) | 12 |
Post hoc analyses: arm comparison: (active vs control), P values are based on logistic regression. CI = confidence interval; NNT = number needed to treat.
