Intracranial haemorrhages according to the Heidelberg bleeding classification
| Class | Type | Bridging thrombolysis | No bridging thrombolysis |
| 0 | None | 284 (72.6%) | 225 (71.0%) |
| 1a | HI1 | 37 (9.5%) | 42 (13.2%) |
| 1b | HI2 | 10 (2.6%) | 16 (5.0%) |
| 1c | PH1 | 16 (4.1%) | 9 (2.8%) |
| 2 | PH2 | 18 (4.6%) | 7 (2.2%) |
| 3a | Remote PH | 5 (1.3) | 1 (0.3%) |
| 3b | IVH | 1 (0.3%) | 0 (0%) |
| 3c | SAH | 20 (5.1%) | 16 (5.0%) |
| 3d | SDH | 0 (0%) | 0 (0%) |
| Other | Non-classified | 0 (0%) | 1 (0.3%) |
Missing data in n=3 patients in each group.
HI, haemorrhagic infarction; IVH, intraventricular haemorrhage; PH, parenchymal haemorrhage; SAH, subarachnoid haemorrhage; SDH, subdural haematoma.