The clinical grading system proposed by the World Federation of Neurologic Surgeons is intended to be a simple, reliable and clinically valid way to grade a patient with subarachnoid hemorrhage. This system offers less interobserver variability than some of the earlier classification systems.
Glasgow Coma Score
Motor Deficit
Grade
15
absent
1
13 - 14
absent
2
13 - 14
present
3
7 - 12
present or absent
4
3 - 6
present or absent
5
where:
• A motor deficit refers to a major focal deficit.
In assessing outcome of subarachnoid hemorrhage, the Federation recommended use of the Glasgow Outcome Scale.
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