Hemodynamic characteristics (normalized with aneurysm-averaged values) of AWE and nonenhanced regionsa

VariableAWENoEP95% CI (Diff)b
pWSS0.95 [SD, 0.52]1.02 [SD, 0.07].18(–0.051, 0.254)
mWSS0.87 [SD, 0.21]1.03 [SD, 0.07].05c(0.001, 0.273)
OSI1.96 [SD, 3.67]0.98 [SD, 0.14].3(–0.350, 0.074)
RRT1.46 [SD, 1.57]0.98 [SD, 2.10].15(–0.324, 0.066)
GON1.12 [SD, 0.53]0.99 [SD, 0.07].81(–0.173, 0.162)
WSSDIV–2.85 [SD, 6.92]0.45 [SD, 2.10].03c(0.170, 5.457)
WSSGRAD0.95 [SD, 0.48]1.03 [SD, 0.08].18(–0.030, 0.194)
  • Note:—NoE indicates nonenhanced; OSI, oscillatory shear index; RTT, relative residence time; GON, mean gradient oscillatory number; WSSDIV, mean WSS divergence; WSSGRAD, mean WSS gradient.

  • a Values are given as mean [SD] unless otherwise noted.

  • b 95% confidence intervals of the differences. Mathematic definitions of the variables are provided in Mut et al.26

  • c Significant differences (P < .05).