Anatomic characteristics of the two types of aneurysms
| Fundus size (n (%)) | Neck width (n (%)) | Dome–neck ratio (n (%)) | ||||
|---|---|---|---|---|---|---|
| Small | Large | Narrow | Wide | Unfavorable | Favorable | |
| Type I | 39 (69.6) | 17 (30.4) | 21 (38.6) | 35 (61.4) | 37 (66.1) | 19 (33.9) |
| Type II | 81 (94.2) | 5 (5.8) | 62 (71.8) | 24 (28.2) | 79 (91.9) | 7 (8.1) |
| χ2=15.604, p<0.001 | χ2=16.712, p<0.001 | χ2=15.080, p<0.001 | ||||