Fujiwara et al reported 2 models for predicting contrast-associated acute kidney injury (CA-AKI) following percutaneous coronary intervention (PCI). One is a simple score and the second is a logistic regression equation. The authors are from Fujita Health University, Gunma University and Osaka University.
Patient selection: status post percutaneous coronary intervention (PCI)
Parameters:
(1) emergency procedure
(2) serum creatinine in mg/dL
(3) urine protein by dipstick, from 0 to 4+
Parameter
Finding
Points
emergency procedure
no
0
yes
1
serum creatinine
< 1.2 mg/dL
0
>= 1.2 mg/dL
1
urine protein
negative
0
+/-, 1+, 2+, 3+, 4+
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
Score
Percent CA-AKI
0
1%
1
3-7%
2
17-22%
3
28%
Performance:
• The area under the ROC curve is 0.79.
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