Martin-Rodriguez et al reported a Poisoning Early Warning Score for evaluating a patient with acute poisoning. The authors are Universidad de Valladolid and affiliated institutions in Spain.
Patient selection: adult (> 18 years) with acute poisoning
Parameters:
(1) age in years
(2) SpO2 to FIO2 ratio
(3) serum lactate in mmol/L
Parameter
Finding
Points
age in years
< 65 years
0
>= 65 years
1
SpO2 to FIO2 ratio
> 300
0
<= 300
1
serum lactate
< 4 mmol/L
0
>= 4 mmol/L
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
Performance:
• The area under the ROC curve is 0.90.
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