Table 2:

Maximum inflow velocity and maximum inflow rate in unruptured aneurysms with different inflow jet patterns visualized at the 75% threshold of the maximum velocity in the parent arterya

Inflow Jet PatternMedian (IQR)Concentrated Inflow JetDiffuse Inflow JetNeck-LimitedUnvisualized
Concentrated inflow jet
    Maximum inflow velocity (mm/s)572 (206).2539 (NS).4689 (NS).0002 (S)
    Maximum inflow rate (mL/s)2610 (3080).8414 (NS).0049 (S).0006 (S)
Diffuse inflow jet
    Maximum inflow velocity (mm/s)636 (289).2539 (NS).0963 (NS)<.0001 (S)
    Maximum inflow rate (mL/s)2450 (3080).8414 (NS).0017 (S)<.0001 (S)
Neck-limited
    Maximum inflow velocity (mm/s)462 (380).4689 (NS).0963 (NS).2645 (NS)
    Maximum inflow rate (mL/s)890 (424).0049 (S).0017 (S).3637 (NS)
Unvisualized
    Maximum inflow velocity (mm/s)382 (44.0).0002 (S)<.0001 (S).2645 (NS)
    Maximum inflow rate (mL/s)696 (454).0006 (S)<.0001 (S).3637 (NS)

  • Note:—IQR indicates interquartile range; S, significant; NS, not significant by the comparison test adjusted for the P value.

  • ↵a Statistical analysis was performed between a variable in the left column and a variable in the headers.