Bell et al reported an Acute Kidney Injury (AKI) Risk Score that can be used to screen the general population for the risk of kidney disease. The authors are from multiple institutions in the United Kingdom and Canada.
Patient selection: >= 18 years of age
Outcome: AKI stages 1 to 3
Parameters:
(1) age in years
(2) eGFR in mL per min per 1.73 square meters
(3) diabetes mellitus
(4) heart failure
Parameter
Finding
Points
age in years
< 20 years
0
20 to 29 years
0
30 to 39 years
2
40 to 49 years
2
50 to 59 years
4
60 to 69 years
6
70 to 79 years
8
80 to 89 years
9
>= 90 years
9
eGFR
>= 60 mL per min per 1.73 sq m
0
45 to 59
5
30 to 44
8
< 30 mL per min per 1.73 sq m
16
diabetes mellitus
no
0
yes
3
heart failure
no
0
yes
4
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 32
• A score >= 5 had a maximum Youden score with a sensitivity of 83% and specificity of 61%.
Performance:
• The area under the ROC curve is 0.80.
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