The Multi-Society Task Force provided data showing outcome of patients in the persistent vegetative state (PVS) at 12 months from onset. This can help determine the chances for recovery in a patient. The authors are from the American Academy of Neurology, American Academy of Pediatrics and 3 other neurological societies.
Parameters:
(1) adult vs child
(2) traumatic vs nontraumatic (degenerative, metabolic or developmental malformation)
(3) duration of PVS (3 months vs 6 months)
PVS at 3 Months
Traumatic
Adults
Children
Status at 12 Months
Percent
95% CI
Percent
95% CI
death
35
27 - 43
14
1 - 27
persistent vegetative state
30
22 - 38
30
13 - 47
severe disability
19
12 - 26
24
8 - 40
moderate disability or good recovery
16
10 - 22
32
15 - 49
Nontraumatic
Adults
Children
Status at 12 Months
Percent
95% CI
Percent
95% CI
death
46
31 - 61
3
0 - 11
persistent vegetative state
47
32 - 62
94
83 - 100
severe disability
6
0 - 13
3
0 - 11
moderate disability or good recovery
1
0 - 4
0
0
PVS at 6 Months
Traumatic
Adults
Children
Status at 12 Months
Percent
95% CI
Percent
95% CI
death
32
21 - 43
14
0 - 31
persistent vegetative state
52
40 - 64
54
30 - 78
severe disability
12
4 - 20
21
1 - 41
moderate disability or good recovery
4
0 - 9
11
0 - 26
Nontraumatic
Adults
Children
Status at 12 Months
Percent
95% CI
Percent
95% CI
death
28
12 - 44
0
0
persistent vegetative state
72
56 - 88
97
89 - 100
severe disability
0
0
3
0 - 11
moderate disability or good recovery
0
0
0
0
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