Table 1.
Clinical and imaging characteristics of patients with favorable (mRS ≤ 2) and poor (mRS > 2) outcomes.
| Clinical characteristics | mRS ≤ 2 | mRS > 2 | p value |
|---|---|---|---|
| Total | 36 (40%) | 53 (60%) | |
| Age (average) | 62.1 | 65.3 | 0.3 |
| Gender | |||
| Male | 21 (58%) | 36 (69%) | |
| Female | 15 (42%) | 17 (31%) | 0.5 |
| Transfer | |||
| Transfer from outside institution | 27 (75%) | 35 (66%) | 0.5 |
| Hours from ictus (average) | 7.3 | 8.8 | 0.3 |
| Stroke severity | |||
| NIHSS, presentation (average) | 11.0 | 17.8 | 0.0005 |
| NIHSS, worst (average) | 13.1 | 20.6 | 0.00003 |
| Deterioration after presentation | 11 (31%) | 21 (40%) | 0.7 |
| Treatment | |||
| IV heparin | 32 (89%) | 34 (64%) | 0.02 |
| IV tPA | 5 (14%) | 10 (19%) | 0.7 |
| EVT | 17 (47%) | 29 (55%) | 0.6 |
| ADAPT or stentriever | 6 (17%) | 7 (13%) | 0.8 |
| Imaging characteristics | |||
| pc-ASPECTS (average) | 7.4 | 5.4 | 0.000002 |
| Brainstem infarct (average, cc) | 0.8 | 2.3 | 0.0002 |
| Cerebellum infarct (average, cc) | 1.2 | 10.7 | 0.0002 |
| Hemorrhage | 4 (11%) | 14 (26%) | 0.13 |
| Clot length (cm) | 16.1 | 19.0 | 0.4 |
| Site of occlusion | |||
| Vertebral | 5 (14%) | 14 (26%) | 0.2 |
| Proximal basilar | 16 (44%) | 21 (39%) | 0.8 |
| Mid-basilar | 20 (56%) | 35 (66%) | 0.4 |
| Distal basilar | 23 (64%) | 43 (81%) | 0.1 |
| P1 | 9 (25%) | 11 (21%) | 0.8 |
P values calculated using Chi squared for conditional variables and two-sided t-test for continuous variables. Values < 0.05 are shown in bold. mRS: modified Rankin Scale; NIHSS: National Institutes of Health Stroke Scale; IV: intravenous; tPA: tissue plasminogen activator; EVT: endovascular therapy; ADAPT: a direct aspiration, first-pass technique for the endovascular treatment of stroke; pc-ASPECTS: posterior Alberta Stroke Program Early CT Score.