GAP (Glasgow Coma Score, Age, Pressure) Score of Kondo et al for Predicting In-Hospital Mortality for a Trauma Patient in the Emergency Department (ED)
Kondo et al reported the GAP score for evaluating a trauma patient in the Emergency Department. This correlates with in-hospital mortality for the patient. The authors are from Mito Kyodo General Hospital in Mito City, Japan.
Patient selection: trauma patient in the ED
Outcome: in-hospital mortality
Parameters:
(1) Glasgow coma score (G)
(2) age in years (A)
(3) systolic blood pressure in mm Hg (P)
Parameter
Finding
Points
Glasgow coma scale (GCS)
from 3 to 15
<GCS>
age in years
< 60 years
3
>= 60 years
0
systolic blood pressure
> 120 mm Hg
6
60 to 120 mm Hg
4
< 60 mm Hg
0
total score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 3
• maximum score: 24
• The lower the score the worse the prognosis.
Total Score
Risk Group
Observed Mortality
3 to 10
high
74% (> 50%)
11 to 18
intermediate
21%
19 to 24
low
2% (< 5%)
Performance:
• The area under the ROC was 0.97 for short-term mortality and 0.93 for long-term.
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