Table 2.

Three grading scales with criteria per grade

Grade	Criteria per grading scale
	WFNS	PAASH	Modified WFNS
I	15	15	15
II	13–14, no focal deficit	11–14	14
III	13–14, focal deficit	8–10	13
IV	7–12	4–7	7–12
V	3–6	3	3–6

Arabic numerals means Glasgow coma scale. WFNS: World Federation of Neurological Surgeons, PAASH: Prognosis on Admission of Aneurysmal Subarachnoid Haemorrhage