Could not be reached | Could be reached but not passed | Could be reached and passed | |
Women (n (%)) | 3 (20) | 8 (53) | 29 (69) |
Age (years) (median (IQR)) | 79 (69–84) | 68 (54–83) | 78 (68–84) |
Comorbidities (n (%)) | |||
Hypertension | 11 (73) | 10 (67) | 28 (66) |
Smoking | 2 (13) | 1 (6) | 2 (5) |
Atrial fibrillation | 6 (40) | 3 (20) | 14 (33) |
Diabetes | 1 (6) | 5 (33) | 7 (16) |
NIHSS on admission (median (IQR)) | 14 (13–20) | 15 (13–20) | 16 (13–19)§ |
ASPECTS on admission (median (IQR)) | 7 (6–8) | 6 (5–7) | 7 (6–7) |
Site of vessel occlusion | |||
Anterior circulation (n (%)) | |||
ICA-intracranial carotid T | 4 (27) | 2 (13) | 10 (23) |
ICA-intracranial no carotid T | 4 (27) | 3 (20) | 6 (12) |
ICA-extracranial | 0 (0) | 3 (20) | 4 (9) |
M1 proximal | 5 (33) | 4 (27) | 13 (30) |
M1 distal | 0 (0) | 2 (13) | 5 (12) |
M2 | 1 (6) | 1 (6) | 5 (12) |
Tandem occlusion (ICA, MCA) | 5 (33) | 4 (27) | 13 (30) |
Stenosis extracranial A carotis (n (%)) | 3 (20) | 4 (26) | 9 (21) |
Intravenous lysis (n (%)) | 10 (66) | 9 (60) | 20 (60) |
Stroke etiology | * | † | ‡ |
Atrial fibrillation | 5 (45) | 6 (50) | 22 (53) |
Atherosclerosis | 5 (45) | 6 (50) | 16 (39) |
Other (eg, endocarditis) | 1 (10) | 0 (0) | 3 (7) |
Subgroup analysis of patients in whom the occlusion could not be reached, could be reached but not passed, or could be passed, with regard to clinical and demographic characteristics. Values are number/total number (%) or median (IQR).
*Missing information on stroke etiology for four patients
†Missing information on stroke etiology for three patients
‡Missing information on stroke etiology for one patient
§Two missing NIHSS scores.
ASPECTS, Alberta Stroke Program Early Computed Tomography score; ICA, internal carotid artery; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale.