|
FIG 3. Ratios of EDV of affected STA to contralateral STA after STA-MCA bypass surgery in each group. Ratio of EDV was significantly higher in patients with more extensive bypass flow, and significant differences were observed between each group, except between the poor and control groups. a, P < .0001 versus control group; b, P < .0001 versus poor group. c, P < .0001 versus moderate group; bb, P < .05 versus poor group.
|