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Table 3: Odds ratios for different patient and aneurysm characteristics for the occurrence of all procedural complications leading to disability or death in 681 patients
Variable Odds Ratio 95% Confidence Interval
Men 0.71 0.34–1.48
Timing after SAH 
    ≤3 d 0.75 0.39–1.44
    Between 4 and 11 d 0.81 0.40–1.62
    ≥11 d 1.90 0.94–3.84
Aneurysm location 
    Posterior circulation 0.67 0.30–1.48
    Anterior cerebral artery 1.00 0.52–1.92
    Middle cerebral artery 1.47 0.50–4.32
    Carotid artery 1.23 0.61–2.47
Supportive balloon 5.10 2.31–11.32
Clinical condition at the time of treatment 
    HH I–II 0.67 0.35–1.28
    HH III 1.49 0.78–2.84
    HH IV–V 0.79 0.32–1.93
Aneurysm size (mm) 
    <5 0.76 0.39–1.51
    <10 0.59 0.31–1.13
    ≥10 1.58 0.79–3.13
    >15 1.55 0.58–4.12
Note:—SAH indicates subarachnoid hemorrhage; HH, Hunt and Hess scale.