Glasgow Outcome Scale

Original Scale (Score)

Abbreviation

Description

death (1)

D

dead

persistent vegetative state (2)

PVS

wakefulness without awareness; absence of speech or evidence of mental function in a patient who appears awake with spontaneous eye opening

severe disability (3)

SD

conscious but dependent; patient requires assistance to perform daily activities and cannot live independently

moderate disability (4)

MD

independent but disabled; patient unable to return to work but otherwise able to independently perform the activities of daily living

good recovery (mild or no disability, 5)

GR

reintegrated but may have nondisabling sequelae; able to return to work but not necessarily at the same level; may have minor neurological or psychological impairments

Clinical Signs at 24 Hours

Grp 1

Grp 2

Grp 3

Grp 4

Grp 5

Any 2 of the following reacting (pupils, cornea, oculovestibular)

N

Y

Y

Y

Y

Motor status better than flaccid

N

Y

Y

Y

Motor withdrawal

N

Y

Y

Verbal moans

N

Y

Prediction of Outcome of Coma at 24 Hours

D or PVS

SD

MD or GR

Group 1

97%

2%

1%

Group 2

80%

8%

12%

Group 3

69%

14%

17%

Group 4

58%

19%

23%

Group 5

46%

13%

41%