All patients | No stroke symptoms: NIHSS 0 (n=11) | Mild to moderate stroke: NIHSS 1–9 (n=12) | Severe stroke: NIHSS ≥10 (n=28) | |
---|---|---|---|---|
Patient characteristics | ||||
Mean age at presentation (years) | 45 | 40 | 47 | 47 |
Women (%) | 49 | 63 | 42 | 46 |
Hematoma characteristics | ||||
Mean maximum hematoma diameter (cm) | 4.0 | 2.7 | 3.0 | 4.7 |
Multiple sites of hemorrhage (%) | 53 | 27 | 42 | 68 |
Surgical hematoma evacuation (%) | 43 | 0 | 17 | 71 |
Midline brain shift (%) | 41 | 9 | 25 | 61 |
Angioarchitectural characteristics | ||||
Mean maximum AVM diameter (cm) | 2.5 | 2.5 | 2.9 | 2.3 |
Infratentorial location (%) | 25 | 36 | 8 | 29 |
Deep venous drainage (%) | 35 | 45 | 33 | 29 |
Associated aneurysm (%) | 36 | 42 | 17 | 46 |
Discharge destination | ||||
Home (%) | 41 | 82 | 66 | 14 |
Rehab/SNF (%) | 51 | 18 | 33 | 71 |
Death (%) | 8 | 0 | 0 | 14 |
AVM, arteriovenous malformation; NIHSS, National Institutes of Health Stroke Scale; SNF, skilled nursing facility.