| Aneurym diameter (cm) | Annual Rupture Rate (%) | 
| 4.0-5.4 | 0.5-1.5 | 
| 5.5-6.0 | 5-15 | 
| 6.0-6.9 | 10-20 | 
| 7.0-7.9 | 20-40 | 
| >8.0 | 30-50 | 
Reference:
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