Criteria | Points |
Age 50 or less | 0 |
Age greater than 50 | 1 |
Hunt and Hess grade 0 to 3 (no coma) | 0 |
Hunt and Hess grade 4 and 5 (in coma) | 1 |
Fisher scale score 0 to 2 | 0 |
Fisher scale score 3 and 4 | 1 |
Aneurysm size 10 mm or less | 0 |
Aneurysm size greater than 10 mm | 1 |
Giant posterior circulation aneurysm size 25 mm or more | 1 |
The total score ranges from 0 to 5, corresponding to grades 0 to 5 |
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