Table 3.
Interhemispheric approach (n = 14) | Pterional approach (n = 14) | Statistical analysis | |
---|---|---|---|
Gender | 2 male; 12 female | 2 male; 12 female | p = 0.702**** |
Age at surgery (mean) | 53.1 years | 56 years | p = 0.511*** |
Hypertension | 5 (35.7%) | 6 (42.9%) | p = 0.5**** |
Diabetes mellitus | 0 (0%) | 0 (0%) | — |
Peripheral arterial disease | 1 (7%) | 0 (0%) | p = 0.5**** |
Heart disease | 3 (21.4%) | 2 (14.3%) | p = 0.5**** |
Ischaemic stroke | 3 (21.4%) | 0 (0%) | p = 0.111**** |
Thrombosis | 0 (0%) | 0 (0%) | — |
Obesity | 1 (7%) | 1 (7%) | p = 0.759**** |
Nicotine abuse | 5 (35.7%) | 5 (35.7%) | p = 0.653**** |
Alcohol abuse | 0 (0%) | 0 (0%) | — |
Ruptured aneurysms | 7 (50%) | 7 (50%) | p = 0.647**** |
Multiple aneurysms | 5 (35.7%) | 4 (28.6%) | p = 0.5**** |
Aneurysm size (mean) | 10 mm | 6.3 mm | p = 0.802*** |
Aneurysm irregularity | 3 (21.4%) | 6 (42.5%) | p = 0.21**** |
Hunt and Hess score (median) | 1 | 2 | p = 0.632** |
Fisher grade (median) | 3 | 2 | p = 0.254** |
Included are tests to evaluate differences between cohorts using the Mann–Whitney-U-test(**), t-test (***)and Exact-Fisher-test(****)