Baseline characteristics
| Baseline characteristics | Data |
| Age (years) | 73.2 (13.1) |
| Sex, male (%) | 73 (55) |
| FAST score=3 (%) | 101 (76) |
| Glasgow coma scale <14 (%) | 44 (33) |
| National Institutes of Health Stroke Scale (/42) | 16 (10, 21) |
| Systolic BP (mm Hg) | 175.5 (27.7) |
| Time, from onset to CT scan (hours) | 2.3 (1.8, 2.8) |
| Pre-morbid modified Rankin scale >2 (%) | 15 (11) |
| Hypertension (%) | 75 (57) |
| Diabetes mellitus (%) | 20 (15) |
| Ischaemic heart disease (%) | 14 (11) |
| Atrial fibrillation (%) | 13 (12) |
| Previous stroke (%) | 25 (19) |
| Adjudicated CT scan findings | |
| Haemorrhage location (%) | |
| MCA | 103 (78) |
| ACA | 4 (3) |
| PCA | 7 (5) |
| Lacunar that is, small subcortical stroke | 6 (5) |
| Brainstem and cerebellum | 15 (11) |
| Midline shift ≥5 mm (%) | 24 (18) |
| Leukoaraiosis (%) | 68 (51) |
| Cerebral atrophy (%) | 123 (94) |
| Old infarcts (%) | 87 (65) |
| Intraventricular haemorrhage (%) | 54 (41) |
| Haemorrhage longest diameter (cm) | |
| <3 | 44 (33) |
| 3–5 | 43 (33) |
| 5–8 | 32 (24) |
| >8 | 13 (10) |
| Measured CT scan findings | |
| ICH volume (SAS, mL) (mean, SD) | 37.75 (38.58) |
| IVH volume (SAS, mL) (mean, SD) | 8.33 (18.7) |
| Intracranial volume (SAS, mL) (mean, SD) | 1419.64 (197.0) |
| Cerebral parenchymal volume (mL) (mean, SD) | 1182.0 (197.3) |
| CSF volume (mL) (mean, SD) | 240.66 (154.1) |
| Intercaudate distance (mm) (mean, SD) | 25.81 (9.7) |
| Sylvian fissure ratio (mean, SD) | 0.07 (0.09) |
| van Swieten score (/4)(median, IQR) | 2.0 (1.0, 3.0) |
| Ambient cistern score (/4) | 0.0 (0.0, 0.0) |
Data are number (%), mean (SD) or median (IQR).
ACA, anterior cerebral artery; BP, blood pressure; CSF, cerebrospinal fluid; FAST, fast-arm-speech-time; ICH, intracerebral haemorrhage; IVH, intraventricular haemorrhage; MCA, middle cerebral artery; PCA, posterior cerebral artery; SAS, semiautomated segmentation.