Table 1

Demographics comparing Group 1 and Group 2 patients

Group 1Group 2p Value
n2261
Age in years, mean (min–max)74.2 (37–93)72.7 (19–98)0.6997
% Female60%60%0.9995
Admission NIHSS, median (min–max)16 (8–24)17 (4–32)0.8176
Symptom onset to angiography (min), median (95% CI)197 (164 to 222)219.5 (198 to 257)0.8808
Site of intracranial occlusion
 M1 segment MCA77% (17/22)74% (45/61)0.99
 ICA23% (5/22)26% (16/61)
Cervical ICA stenosis or occlusion14% (3/22)15% (9/61)0.99
Treated with IV tPA77% (17/22)69% (42/61))0.4552
  • ICA, internal carotid artery; MCA, middle cerebral artery; NIHSS, National Institute of Health Stroke Scale; tPA, tissue plasminogen activator.