Table 3.
Intracranial aneurysm characteristics.
| Characteristics | Unrupture IA (n = 100) | Rupture IA (n = 100) | p value |
|---|---|---|---|
| Aneurysm location n (%) | 0.173a | ||
| Anterior circulation | 81 (81%) | 90 (90%) | |
| Posterior circulation | 16 (16%) | 9 (9%) | |
| Cerebral circulation | 3 (3%) | 1 (1%) | |
| Aneurysm morphology n (%) | 0.034a | ||
| Multiple | 17 (17%) | 26 (26%) | |
| Dissecting aneurysm | 32 (32%) | 21 (21%) | |
| Lobular | 16 (16%) | 18 (18%) | |
| Seed tumor | 17 (17%) | 27 (27%) | |
| Others | 18 (18%) | 8 (8%) | |
| Aneurysm size (mm) | |||
| Length | 6.99 (5.19–9.08) | 6.14 (4.74–8.21) | 0.546b |
| Depth | 4.83 (3.25–6.61) | 4.96 (3.34–6.28) | 0.566b |
| Short diameter | 4.48 (3.27–6.54) | 3.50 (2.69–5.45) | 0.044b |
| Neck size | 3.77 (2.47–6.60) | 3.20 (2.28–3.99) | 0.004b |
| Maximal diameter | 2.78 (2.07–3.75) | 2.75 (1.96–3.51) | 0.479b |
IA, intracranial aneurysm. Data are presented as the number and percentage (%), and median with interquartile interval [Q1–Q3]. a, Chi-square test; b, Mann–Whitney test. p < 0.05 was considered to suggest a significant difference.