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Table 2: 
Comparison of flow parameters between small and medium AVMs
ParametersaSmall AVMs (n = 23)Medium AVMs (n = 9)P Value
Median apparent AVM inflow (range) 
(mL/min)		280 (18–732)817 (296–1347)<.001
Median apparent AVM outflow (range) (mL/min)203 (11–646)698 (263–990)<.001
  • ↵a Data are calculated by the Wilcoxon rank sum test.