Table 4:

Odds ratios for different patient and aneurysm characteristics for the occurrence of thromboembolic complications leading to disability or death in 681 patients

VariableOdds Ratio95% Confidence Interval
Men0.980.46–2.11
Timing after SAH
    ≤3 d0.680.33–1.41
    Between 4 and 11 d1.150.55–2.40
    ≥111.440.63–3.28
Aneurysm location
    Posterior circulation0.270.08–0.90
    Anterior cerebral artery1.350.66–2.74
    Middle cerebral artery1.360.40–4.62
    Carotid artery1.510.71–3.20
Supportive balloon4.942.10–11.69
Clinical condition at the time of treatment
    HH I–II0.710.35–1.45
    HH III1.410.69–2.88
    HH IV–V0.640.22–1.85
Aneurysm size (mm)
    ≤50.440.19–1.02
    <100.490.24–1.01
    ≥102.281.10–4.72
    >150.440.76–5.51

  • Note:—SAH indicates subarachoid hemorrhage; HH, Hunt and Hess scale.