Table 1 Rates of rupture in unruptured aneurysm cases based on size and location. ISUIA study [7, 54]
From: Management of multiple and unruptured cerebral aneurysms
Size of unruptured aneurysm (mm) | 5-Year rate of hemorrhage for anterior circulation aneurysm (%) | 5-Year rate of hemorrhage for posterior circulation aneurysm including PCOM (%) |
|---|---|---|
< 7 | < 0.01 | 2.5 |
7–12 | 2.5 | 14 |
13–24 | 14 | 18 |
> 24 | 40 | 50 |