Table 1.

Cerebral Performance Categories (CPCs) and Glasgow Outcome Scale (GOS)

CPC	GOS	Disability	Conscious	Independent	Features
1	5	No, or minor	Yes	Yes	Able to work and lead a normal life. May have mild dysphasia, non-incapacitating hemiparesis, or minor cranial nerve abnormalities
2	4	Moderate	Yes	Yes	Able to travel by public transport and work in sheltered environment Independent in activities of daily life. May have hemiplegia, seizures, ataxia, dysarthria, or memory changes
3	3	Severe	Yes	No	Limited cognition, dementia, locked-in, minimally conscious. Usually in institution, but it may be looked after at home with exceptional family effort
4	2	Unconscious	No	No	Persistent vegetative state
5	1	Dead	–	–	Certified brain dead or dead by traditional criteria