Zhang et al reported the STAPLAg score for evaluating a septic patient in the intensive care unit (ICU). This can act as an early warning score for mortality. The authors are from Ren Ji Hospital, Shanghai General Hospital and Shanghai Jiaotong University in China.
Patient selection: septic patient in the ICU
Parameters:
(1) serum albumin in g/L (A)
(2) age of the patient in years (Ag)
(3) serum troponin in ng/mL (T)
(4) serum sodium in mmol/L (S)
(5) serum lactate in mmol/L (L)
(6) platelet-to-lymphocyte ratio PLR (P)
Parameter
Finding
Points
serum albumin
> 29.9 g/L
0
<= 29.9 g/L
1
age
<= 69 years
0
> 69 years
1
serum troponin
<= 0.05 ng/mL
0
> 0.05 ng/mL
1
serum sodium
> 129 mmol/L
0
<= 129 mmol/L
1
serum lactate
<= 2 mmol/L
0
> 2 mmol/L
1
platelet-to lymphocyte ratio
<= 214.98
0
> 214.98
1
total score =
= SUM(points for all 6 parameters)
Interpretation:
• minimum score: 0
• maximum score: 6
• The higher the score the greater the risk of mortality.
Total Score
Risk Group
Mortality
0 to 2
I
3.4%
3 or 4
II
25%
5 or 6
III
75%
Performance:
• The area under the ROC curve is 0.87.
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