Definitions of causality of ITB adverse events
| Causality | |
| Unlikely/unrelated | Temporal history not consistent with ITB therapy Other diagnoses more likely Pre-existing symptoms Inconsistent reporting of signs/symptoms |
| Possible | Temporal history may be consistent with ITB therapy Diagnosis may fit with ITB therapy No pre-existing symptoms Consistent reporting of signs/symptoms |
| Probable/definite | Temporal history consistent with ITB therapy Known adverse event reported in the literature No pre-existing symptoms Consistent reporting of signs/symptoms |
ITB, intrathecal baclofen.