Table 1.
Characteristics and classification of haemorrhagic transformation.
| Characteristics of patients who had [Haemorrhage transformation = HT] events (n = 102) | ||
|---|---|---|
| age, mean (SD), [years] | 68.4 (11.5) | |
| Gender, no (%) | male | 60 (58.8) |
| female | 42 (41.2) | |
| Ethnicity, no (%) | Chinese | 62 (60.8) |
| Indian | 11 (10.8) | |
| Malay | 27 (26.5) | |
| Others | 2 (2.0) | |
| Duration of HT, no (%) | Early | 88 (86.3) |
| Late | 14 (13.7) | |
| Small petechiae, no (%) | No | 67 (65.7) |
| Yes | 35 (34.3) | |
| More confluent petechiae, no (%) | No | 68 (66.7) |
| Yes | 34 (33.3) | |
| PH 1, no (%) | No | 82 (80.4) |
| Yes | 20 (19.6) | |
| PH2, no (%) | No | 89 (87.3) |
| Yes | 13 (12.7) | |
| SAH, no (%) | No | 102 (100) |
| Yes | 0 (0) | |
| IVH, no (%) | No | 101 (99) |
| Yes | 1 (1) | |
| SDH, no (%) | No | 102 (100) |
| Yes | 0 (0) | |
| Surgical intervention, no (%) | No | 95 (93.1) |
| Yes | 7 (6.9) | |
| Medical treatment for increased ICP, no (%) | No | 85 (83.3) |
| Yes | 17 (16.7) | |
| Indication of repeat scan, no (%). N = neurological deterioration. S = stroke protocol. T = thrombolysis. O = other indication. | N | 35 (34.3) |
| S | 56 (54.9) | |
| T | 10 (9.8) | |
| O | 1 (1.0) | |
| Stroke territory, no (%) | TACS | 10 (9.8) |
| PACS | 61 (59.8) | |
| LACS | 11 (10.8) | |
| POCS | 20 (19.6) | |
Abbreviation: PH: parenchymal haematoma (type 1 = less than 30%, type 2 = more than 30%). SAH = subarachnoid haemorrhage,
IVH = intraventricular haemorrhage, TACS = total anterior circulation syndrome, PACS = partial anterior circulation syndrome, LACS = lacunar syndrome, POCS = posterior circulation syndrome.