Patient selection: mild traumatic brain injury (TBI), Glasgow coma scale 13 to 15
Outcome: complete recovery at 6 months
Parameters:
(1) education on Dutch 7 point scale
(2) mental health problems
(3) alcohol consumption on day of injury
(4) Glasgow coma scale (GCS) on admission
(5) post-traumatic amnesic (PTA)
(6) neck pain
(7) depression on the HADS (from 0 to 22)
(8) anxiety on the HADS (from 0 to 18)
(9) post-traumatic complaints (Head Injury Symptoms Score or HISC, from 0 to 42)
(10) Utrecht Coping List (UCL) passive subscale from 1 (low) to 5 (very high)
(11) Utrecht Coping List (UCL) avoidant subscale from 1 (low) to 5 (very high)
points for depression =
= (-4.54545 * (HADS depression)) + 100
points for anxiety =
= (1.935 * (HADS anxiety))
points for post-traumatic complaints from 0 to 18 =
= (-1.8 * (complaints)) + 32.4
|
Parameters
|
Findings
|
Points
|
|
education
|
3 (finished 7-8 years)
|
0
|
|
|
4 (finished 9 years)
|
8.1
|
|
|
5 (finished 10-11 years)
|
16.2
|
|
|
6 (finished 12-16 years)
|
24.3
|
|
|
7 (university > 16 years)
|
32.4
|
|
mental health problems
|
no
|
20.9
|
|
|
yes
|
0
|
|
alcohol consumption
|
no
|
0
|
|
|
yes
|
17.1
|
|
GCS
|
13
|
0
|
|
|
14
|
13
|
|
|
15
|
26
|
|
PTA
|
< 1 hour
|
0
|
|
|
>= 1 hour
|
15
|
|
neck pain
|
no
|
19.8
|
|
|
yes
|
0
|
|
UCL passive
|
5
|
0
|
|
|
4
|
4.7
|
|
|
3
|
9.4
|
|
|
2
|
14.1
|
|
|
1
|
18.8
|
|
UCL avoidant
|
5
|
22.4
|
|
|
4
|
16.8
|
|
|
3
|
11.2
|
|
|
2
|
5.6
|
|
|
1
|
0
|
total score =
= SUM(points for all 11 parameters)
Interpretation:
• minimum score: 0
• maximum score: 343.8
|
Score
|
Linear Predictor
|
|
< 104.7
|
< -5
|
|
104.7 to 307.4
|
(0.044353 * (score)) - 9.6491
|
|
> 307.4
|
> 4
|
probability of complete recovery at 6 months =
= 1 / (1 + EXP((-1) * (linear predictor))
