Table 2:

Aneurysm parameters: correlation of group 1 and group 2 and 3 aneurysmsa

ParametersTotalAccordantContralateralUndefined
(Group 1)(Group 2)P Value(Group 3)P Value
MD5.2 ± 2.45.3 ± 2.15.6 ± 2.5.570 (NS)4.6 ± 1.4.823 (NS)
ND4.1 ± 1.74.2 ± 1.74.3 ± 1.7.891 (NS)3.7 ± 1.7.372 (NS)
MD/ND ratio1.3 ± 0.51.3 ± 0.41.3 ± 0.3.608 (NS)1.4 ± 0.8.616 (NS)
Maximum perpendicular height4.1 ± 1.34.0 ± 1.44.2 ± 1.2.583 (NS)4.1 ± 1.3.911 (NS)
Aspect ratio1.1 ± 0.51.0 ± 0.31.0 ± 0.4.91 (NS)1.3 ± 0.7.344 (NS)
Maximum height4.3 ± 1.44.3 ± 1.44.4 ± 1.3.826 (NS)4.2 ± 1.4.824 (NS)
Size ratio1.6 ± 0.61.7 ± 0.71.4 ± 0.4.360 (NS)1.6 ± 0.5.922 (NS)
Angle of neck section to imaging section52.1 ± 21.847.8 ± 22.952.9 ± 10.0.375 (NS)64.0 ± 20.8.045 (S)
Maximum inflow velocity577 ± 164604 ± 169449 ± 159.029 (S)583 ± 136.721 (NS)
MRA signal intensity355 ± 69.0356 ± 64.6348 ± 56.8.752 (NS)356 ± 91.6.955 (NS)
  • Note:—NS indicates not significant by the comparison test adjusted for the P value threshold for each parameter; MD, maximum diameter; ND, neck diameter.

  • a Data are means.