Relative analysis for the complications in 19 patients with technically feasible AVMs
| Variable | Complication | P Value | |
|---|---|---|---|
| + | − | ||
| Spetzler-Martin grade | .801 | ||
| I–II | 1 | 5 | |
| III | 4 | 6 | |
| IV–V | 1 | 2 | |
| Size | .141 | ||
| ≤3 cm | 5 | 5 | |
| >3 cm | 1 | 8 | |
| Eloquent | .605 | ||
| + | 5 | 8 | |
| − | 1 | 5 | |
| Deep venous drainage | .057 | ||
| + | 5 | 4 | |
| − | 1 | 9 | |
Note:—+ indicates yes; −, no.