Martin-Rodriguez et al reported an early warning score for evaluating an adult with acute poisoning. The authors are from multiple institutions in Spain.
Patient selection: adult with acute poisoning
Parameters:
(1) age in years
(2) ratio of oxygen saturation to FIO2
(3) point-of-care blood lactate in mmol/L
Parameter
Finding
Points
age in years
< 65 years
0
>= 65 years
1
PaO2 to FIO2 ratio
<= 300
1
> 300
0
lactate
< 4 mmol/L
0
>= 4 mmol/L
1
total score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
• The higher the score the more severe the poisoning.
Performance:
• The area under the ROC curve is 0.90.
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