Table 3:
Location and morphologic change of FAs of BAVMsa
| Location of FA | No. of FAs | No. of Stable FAs | No. of Regressive FAs/Total Regression | P Value of Regression in Proximal and Distal FAs |
|---|---|---|---|---|
| Supratentorium | 98 | 56 (57) | 42 (43)/20 (20) | |
| ACA | 26 | |||
| Proximal (%) | 9 | 5 (56) | 4 (44)/1 (11) | .19 |
| Distal (%) | 17 | 4 (24) | 13 (76)/8 (47) | |
| MCA | 30 | |||
| Proximal (%) | 16 | 10 (63) | 6 (38)/2 (13) | .01 |
| Distal (%) | 14 | 2 (14) | 12 (86)/9 (62) | |
| ICA (proximal) | 42 | 35 (83) | 7 (17)/0 (0) | NA |
| Infratentorium | 13 | |||
| Proximal | 4 | 3 (75) | 1 (25)/1 (25) | .052 |
| Distal | 9 | 1 (11) | 8 (89)/5 (56) | |
| Overall | 111 | 60 (54) | 51 (46)/26 (23) | |
| Proximal (%) | 71 | 53 (75) | 18 (25)/4 (6) | <.001b |
| Distal (%) | 40 | 7 (18) | 33 (83)/22 (55) |
Note:—NA indicates not available.
a
Data in parentheses are percentages. Numbers in parentheses do not add up to 100% due to rounding.
b
P < .05, indicates statistical significance.