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Table 1: Baseline characteristics of the study population
All Patients (n = 62) Patients with ICAS (n = 15) Patients without ICAS (n = 47) P Value
Age (mean) (yr) 69.6 ± 11.95 67.1 ± 10.03 70.3 ± 12.50 .205
Male sex (No.) (%) 36 (58.1) 12 (80.0) 24 (51.1) .048
Risk factor (No.) (%) 
    Hypertension 37 (59.7) 11 (73.3) 26 (55.3) .216
    Diabetes mellitus 14 (22.6) 4 (26.7) 10 (21.3) .727
    Dyslipidemia 16 (25.8) 6 (40.0) 10 (21.3) .182
    Smoking 15 (24.2) 5 (33.3) 10 (21.3) .489
    Coronary artery disease 5 (8.1) 0 (0.0) 5 (10.6) .323
IV thrombolysis (No.) (%) 17 (27.4) 7 (46.7) 10 (21.3) .094
Occlusion sites (No.) (%) 
    Proximal 12 (19.4) 9 (60.0) 3 (6.4) <.001
    Middle 3 (4.8) 2 (13.3) 1 (2.1) .143
    Distal 47 (75.8) 4 (26.7) 43 (91.5) <.001
Bilateral thalamic infarction (No.) (%) 13 (21.0) 0 (0.0) 13 (27.7) .027
Baseline NIHSS score (mean) 12.4 ± 6.23 12.7 ± 5.95 12.3 ± 6.37 .773
pc-ASPECTS (median) (IQR) 7 (6–8) 7 (6–8) 7 (6–8) .794
Time to procedure (mean) (min) 289.6 ± 129.68 309.3 ± 139.65 283.3 ± 127.60 .532
Procedure time (mean) (min) 30.9 ± 17.76 39.0 ± 19.47 28.3 ± 16.56 .006
Time to revascularization (mean) (min) 321.0 ± 136.22 348.3 ± 143.84 312.2 ± 134.12 .459
Note:—IQR indicates interquartile range; pc-ASPECTS, posterior circulation ASPECTS.