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Table 1 Baseline characteristics of patients with intracranial atherosclerotic stenosis (ICAS)-related occlusions and endovascular treatments

From: Immediate effects of first-line thrombectomy devices for intracranial atherosclerosis-related occlusion: stent retriever versus contact aspiration

  Contact aspiration
(n = 62)
Stent retriever
(n = 49)
P
Demographics
 Age, years 66.3 ± 11.7 63.9 ± 15.2 0.348
 Sex, men 39 (62.9) 31 (63.3) > 0.999
Risk factors
 Hypertension 38 (61.3) 33 (67.3) 0.645
 Diabetes mellitus 20 (32.3) 14 (28.6) 0.833
 Dyslipidemia 23 (37.1) 12 (24.5) 0.225
 Atrial fibrillation 14 (22.6) 10 (20.4) 0.965
 Smoker 26 (41.9) 13 (25.5) 0.103
Medications prior admission
 Antiplatelets 11 (17.7) 7 (14.3) 0.817
 Anticoagulants 2 (3.2) 4 (8.2) 0.403
Initial occlusion site    0.078
 Internal carotid artery 12 (19.4) 2 (4.1)  
 Middle cerebral artery, M1 36 (58.1) 36 (73.5)  
 Middle cerebral artery, M2 2 (3.2) 1 (2.0)  
 Vertebral artery 2 (3.2) 4 (8.2)  
 Basilar artery 10 (16.1) 6 (12.2)  
Initial NIHSS score 16.5 (11–22) 15 (12–19) 0.340
ASPECTS scorea 7.5 (5–9) 7 (6–8) 0.625
Laboratory findings
 Hemoglobin, g/dL 14.0 ± 1.8 13.9 ± 2.0 0.764
 White blood cells, ×109/L 9.6 ± 3.6 11.5 ± 5.6 0.047
 Platelets, ×109/L 240 ± 77 239 ± 59 0.928
 Glucose, mmol/L 8.2 ± 3.3 8.4 ± 3.3 0.813
Intravenous tPA 27 (43.5) 23 (46.9) 0.869
Use of balloon guide catheter 36 (58.1) 26 (53.1) 0.738
Onset to door time, min 208 (111–387) 172 (105–560) 0.801
Door to puncture time, min 97.5 (77–127) 111 (92–138) 0.106
First-line thrombectomy device
 Solitaire   41 (83.7)  
 Trevo   8 (16.3)  
 Penumbra, 1st generation 45 (72.6)   
 Penumbra, 2nd generation 17 (27.4)   
  1. ICAS Intracranial atherosclerotic stenosis; NIHSS National Institutes of Health Stroke Scale; ASPECTS Alberta Stroke Program Early CT Score; tPA tissue plasminogen activator
  2. aBaseline ASPECTS on quality imaging was evaluated in 81 patients (91.0% patients with anterior circulation infarction)
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