Glasgow Outcome Scale
Outcome after severe brain damage
GOS 1: Death
GOS 2: Persistent vegetative state
No obvious cortical function.
GOS 3: Severe disability
Conscious but disabled.
GOS 4: Moderate disability
Disabled but independent.
GOS 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!