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Table 2: 
Complications according to modality of endovascular treatment
Simple Coiling (n = 33)Balloon-Assisted Coiling (n = 79)Stent-Assisted Coiling (n = 19)Fisher Exact Test, P
Hemorrhage174.642
    Aneurysm perforation154.048
    Arterial perforation020Not applicable
Thromboembolism123Not applicable
Total complications2 (6.1%)9 (11.4%)7 (36.8%).005a
One-month morbidity0 (0%)3 (3.8%)1 (5.3%)Not applicable
    Ruptured010
    Unruptured021
One-month mortality1 (3.0%)3 (3.8%)0 (0%)Not applicable
    Ruptured110
    Unruptured020
  • Note:—Numbers in parentheses are n (%) of case procedures.
  • ↵a There were significantly more technical complications among the coiling group (6.1% versus 36.8%, P = .014) and the balloon-assisted group (11.4% versus 36.8%, P = .018) than in the stent-assisted group. There was no significant difference in complication rate between coiling and balloon-assisted groups (6.1% versus 11.4%, P = .605).