Sex | | |
Male | 0.84 (0.33–2.10) | .75 |
Age, y | | |
<18 | 0.89 (0.31–2.41) | .78 |
18–49 | 1.09 (0.37–2.76) | .84 |
≥50 | 1.16 (0.17–11.36) | 1.01 |
Initial presentation | | |
Hemorrhage | 1.15 (0.59–2.94) | .49 |
Ischemia | 0.65 (0.14–3.27) | 1.00 |
Headache | 1.86 (0.93–5.63) | .57 |
Seizures | 0.64 (0.37–2.00) | .55 |
No symptoms | 0.91 (0.17–4.39) | .70 |
Location | | |
Eloquent cortex | 2.57 (1.08–3.42) | .02 |
Noneloquent cortex | 0.38 (0.24–0.86) | .02 |
Midline | 0.55 (0.19–2.42) | .79 |
Deep | 1.41 (0.29–2.85) | .51 |
Size | | |
≤3 cm | 1.06 (0.42–2.40) | .79 |
3–6 cm | 0.80 (0.33–1.29) | .23 |
≥6 cm | 2.45 (0.57–5.32) | .17 |
No. of feeders | | |
1 | 0.39 (0.06–1.54) | .38 |
2 | 1.75 (0.76–3.21) | .26 |
≥3 | 0.85 (0.47–3.84) | .72 |
Classification of feeders | | |
Terminal | 0.61 (0.35–1.97) | .32 |
Perforating | 1.64 (0.79–4.58) | .25 |
No. of draining veins | | |
1 | 0.73 (0.43–2.96) | .98 |
2 | 1.57 (0.58–3.63) | .34 |
≥3 | 0.62 (0.34–1.89) | .43 |
Drainage classification | | |
Exclusive superficial | 1.04 (0.77–2.52) | .90 |
Exclusive deep | 4.56 (1.28–9.67) | .00 |
Combined | 0.24 (0.09–0.53) | .03 |
Venous morphology | | |
Venous reflux | 1.91 (0.51–2.98) | .77 |
Venous ectasia | 2.24 (1.32–9.88) | .26 |
Venous stenosis | 1.50 (0.26–2.34) | .19 |
Coexisting aneurysm | | |
Intranidal | 0.99 (0.23–3.81) | .22 |
Perinidal | 1.52 (3.72–8.50) | .61 |
Spetzler-Martin classification | | |
I–II | 2.32 (0.21–9.87) | .48 |
III | 0.58 (0.70–4.05) | .54 |
IV | 1.61 (1.22–4.53) | 1.20 |
V | 0.83 (0.06–10.29) | 1.00 |
Embolization degree | | |
Complete | 0.87 (0.27–3.02) | .27 |
Subtotal | 0.71 (0.40–1.60) | .13 |
Partial | 1.92 (1.21–4.07) | .17 |
Venous occlusion | 1.26 (0.94–2.83) | .84 |