Preoperative characteristics | Early new postoperative deficit (%) | p Value |
---|---|---|
Intracerebral haemorrhage (%): | ||
Absent (n=91) | 47.3 | |
Present (n=59) | 27.1 | 0.0025 |
Size of AVM: | ||
Small AVMs < 3 cm (n=78) | 28.2 | |
AVMs 3-6 cm (n=65) | 47.3 | |
Large AVMs > 6 cm (n=7) | 85.7 | 0.01 |
Eloquence of AVM: | ||
Non-eloquent (n=61) | 18.0 | |
Less eloquent (n=74) | 50.1 | |
Highly eloquent (n=15) | 73.3 | 0.001 |
Deep venous drainage: | ||
Superficial (n=106) | 34.6 | |
Deep (n=44) | 52.3 | 0.05 |
Spetzler-Martin grade: | ||
I (n=33) | 15.2 | |
II (n=48) | 25.3 | |
III (n=44) | 56.4 | |
IV (n=21) | 56.5 | |
V (n=4) | 100.0 | 0.001 |
Karnofsky score: | ||
10-70 (n=59) | 39.0 | |
80-100 (n=91) | 39.6 | NS |