Table 3:

Location and morphologic change of FAs of BAVMsa

Location of FANo. of FAsNo. of Stable FAsNo. of Regressive FAs/Total RegressionP Value of Regression in Proximal and Distal FAs
Supratentorium9856 (57)42 (43)/20 (20)
    ACA26
        Proximal (%)95 (56)4 (44)/1 (11).19
        Distal (%)174 (24)13 (76)/8 (47)
    MCA30
        Proximal (%)1610 (63)6 (38)/2 (13).01
        Distal (%)142 (14)12 (86)/9 (62)
    ICA (proximal)4235 (83)7 (17)/0 (0)NA
Infratentorium13
    Proximal43 (75)1 (25)/1 (25).052
    Distal91 (11)8 (89)/5 (56)
Overall11160 (54)51 (46)/26 (23)
        Proximal (%)7153 (75)18 (25)/4 (6)<.001b
        Distal (%)407 (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.