Table 5.
Angiographic Characteristics of HHT bAVMs compared to non-HHT bAVMs.
| Characteristics | HHT (n= 56) | Non HHT (n = 1933) | P Value |
|---|---|---|---|
| Number bAVMs | 89 | 1954 | |
| Lobar | 0.465 | ||
| No (%) | 21 (27) | 594 (31) | |
| Yes (%) | 58 (73) | 1352 (69) | |
| Deep | 0.358 | ||
| No (%) | 53 (90) | 1667 (86) | |
| Yes (%) | 6 (10) | 274 (14) | |
| Posterior Fossa | 0.713 | ||
| No (%) | 52 (93) | 1823 (94) | |
| Yes (%) | 4 (7) | 111 (6) | |
| Eloquent | 0.020 | ||
| No (%) | 37 (55) | 684 (39) | |
| Yes (%) | 30 (45) | 1090 (61) | |
| Venous Drainage | < 0.001 | ||
| Deep Venous (%) | 11 (18) | 748 (45) | |
| Superficial (%) | 46 (75) | 794 (47) | |
| Both (%) | 4 (7) | 132 (8) | |
| Size | < 0.001 | ||
| < 3cm (%) | 37 (88) | 993 (60) | |
| >3 cm (%) | 5 (12) | 662 (40) | |
| Spetzler-Martin Score | < 0.001 | ||
| 1 (%) | 28 (44) | 255 (15) | |
| 2 (%) | 24 (37) | 481 (30) | |
| 3 (%) | 8 (12) | 538 (33) | |
| 4 (%) | 1 (2) | 294 (18) | |
| 5 (%) | 3 (5) | 57 (4) |