Table 1

Baseline characteristics and procedural variables according to the dichotomous variables of none/<5 small (group 1) versus >5/medium or large diffusion weighted imaging lesions (group 2)

VariableGroup 1 (<5 DWI lesions)Group 2 (>5 DWI lesions)p Value
No of procedures (%)78 (58)57 (42)
Age (years) (mean (SD))53.8 (11.5)56.9 (11.9)0.1
Female (n (%))60 (77)43 (75)0.9
Ruptured (n (%))39 (50)25 (44)0.5
Aneurysm size (mean (SD))8.9 (4.4)8.5 (5.1)0.6
Neck:dome ratio (mean (SD))0.6 (0.3)0.6 (0.3)0.3
Bolus heparin (n (%))62 (79)36 (63)0.04
Procedure length/h (mean (SD))3.54 (1.29)3.42 (1.13)0.5
Operators (n (%)) 0.7
 A8 (10)6 (10)
 B23 (29)14 (25)
 C16 (20)11 (19)
 D31 (40)26 (46)
No of coils used (mean (SD))7.88 (4.28)7.77 (5.68)0.9
Balloon assisted (n (%))26 (9)25 (44)0.2
Stent assisted (n (%))8 (10)5 (9)0.7
  • DWI, diffusion weighted imaging.