Complex pain interventions by randomisation
| Timepoint | LNB | CPB | EIT | NPI |
| Total UC | 4 (0.88%) | 2 (0.44%) | 3 (0.66%) | 0 (0.0%) |
| Total EPAT | 21 (4.41%) | 3 (0.61%) | 28 (5.75%) | 2 (0.41%) |
CPB, coeliac plexus block; EIT, external intrathecal; EPAT, Edinburgh Pain Assessment and management Tool; LNB, local nerve block; NPI, neurosurgical pain interventions; UC, usual care.