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

VariableOdds Ratio95% Confidence Interval
Timing after SAH
    ≤3 d0.750.39–1.44
    Between 4 and 11 d0.810.40–1.62
    ≥11 d1.900.94–3.84
Aneurysm location
    Posterior circulation0.670.30–1.48
    Anterior cerebral artery1.000.52–1.92
    Middle cerebral artery1.470.50–4.32
    Carotid artery1.230.61–2.47
Supportive balloon5.102.31–11.32
Clinical condition at the time of treatment
    HH I–II0.670.35–1.28
    HH III1.490.78–2.84
    HH IV–V0.790.32–1.93
Aneurysm size (mm)
  • Note:—SAH indicates subarachnoid hemorrhage; HH, Hunt and Hess scale.