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| Causality categories | Cases | Incidence1 | Percentage (%) |
|---|---|---|---|
| Certain | 0 | 0 | 0 |
| Probable/likely | 5 | 7 | 0.02 |
| Possible | 91 | 96 | 0.29 |
| Unlikely | 39 | 40 | 0.12 |
| Conditional/unclassified | 92 | 95 | 0.29 |
| Unassessable/unclassifiable | 7 | 7 | 0.02 |
| Total | 234 | 245 | 0.73 |
1, the percentage was calculated by dividing the total number of cases by the number of AE cases for each level.
