Glasgow Outcome Scale
Outcome after severe brain damage
2 Persistent vegetative state
No obvious cortical function.
3 Severe disability
Conscious but disabled.
4 Moderate disability
Disabled but independent.
5 Good recovery
Return to normal activities, even with minor neurological or psychological deficits.
Note:in trial administration the score is often used in reverse order!
Jennett B, Bond M. “Assessment of outcome after severe brain damage.” Lancet 1975 Mar 1;1(7905):480-4