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.