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Table 2: Angiographic and clinical outcomes
IAD Embolism P Value
Primary endovascular treatment methods .711^{^a}
    FAST (No.) (%) 15 (78.9%) 27 (84.4%) 
    Stent retriever 4 (21.1%) 5 (15.6%) 
Frequency of rescue treatment 13 (68.4%) 6 (18.8%) <.001
    Switching strategy 3 (16.7%) 2 (6.2%) .348^{^a}
    Intra-arterial tirofiban 6 (31.6%) 0 (0%) .002^{^a}
    Stenting 6 (31.6%) 4 (12.5%)^{^b} .146^{^a}
    Angioplasty 6 (31.6%) 4 (12.5%)^{^b} .146^{^a}
Reocclusion during the procedure 11 (57.9%) 5 (15.6%) .002
Onset-to-groin puncture time (mean) (min) 310.47 ± 136.57 263.13 ± 146.28 .258
Door-to-groin puncture time (mean) (min) 131.78 ± 46.94 137.13 ± 44.36 .694
Procedure time (mean) (min) 96.42 ± 46.03 61.16 ± 31.84 .002
Onset-to-recanalization time (mean) (min) 415.74 ± 128.51 330.66 ± 154.33 .049
Successful recanalization 17 (89.5%) 28 (87.5%) 1.000^{^a}
Intracerebral hemorrhage .867
    Hemorrhagic infarction type 1 1 (5.3%) 3 (9.4%) 
    Hemorrhagic infarction type 2 2 (10.5%) 3 (9.4%) 
    Parenchymal hematoma type 1 – – 
    Parenchymal hematoma type 2 – – 
Subarachnoid hemorrhage 0 3 (9.4%) .285^{^a}
NIHSS at 7 days (median) (IQR) 21 (9–26) 8 (5–21.5) .060^{^c}
mRS 0–2 at 3 mo 2 (10.5%) 12 (37.5%) .037
mRS 0–3 at 3 mo 5 (26.3%) 18 (56.2%) .038
Mortality at 3 mo 4 (21.1%) 7 (21.9%) 1.000^{^a}
Note:—IQR indicates interquartile range.
↵a Fisher exact t test.
↵b The rescue treatment was not for the intracranial occlusion site but for extracranial proximal vertebral artery stenosis. Those cases were related to extracranial-to-intracranial tandem occlusions.
↵c Mann-Whitney U test.