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The World Federation of Neurosurgeons (WFNS) classification is a functional score used to predict outcomes post subarachnoid haemorrhage.
- Grade I: GCS 15
- Grade II: GCS 13-14 without motor deficit
- Grade III: GCS 13-14 with motor deficit
- Grade IV: GCS 7-12
- Grade V: GCS 3-6
Rosen DS, Macdonald RL. Grading of Subarachnoid Hemorrhage: Modification of the World Federation of Neurosurgical Societies Scale on the Basis of Data for a Large Series of Patients. Neurosurgery. 2004 Mar; 54(3): 566-576.Teasdale GM, Drake CG, Hunt W, et al. A universal subarachnoid hemorrhage scale: report of a committee of the World Federation of Neurosurgical Societies. Journal of Neurology, Neurosurgery, and Psychiatry. 1988;51(11):1457.Van Heuven AW, Dorhout Mees SM, Agra A, Rinkel G. Validation of a Prognostic Subarachnoid Hemorrhage Grading Scale Derived Directly From the Glasgow Coma Scale. Stroke. 2008; 39: 1347-1348.