Definition of acute kidney injury impacts prevalence and prognosis in ACS patients undergoing coronary angiography

Table 3 Predictive value of the amount of contrast media to identify patients developing acute kidney injury stratified by CKD status

Contrast media volume	non-CKD patients			CKD patients
Contrast media volume	AUC	95% CI	p-value	AUC	95% CI	p-value
AKI development according to
AKIN 1 definition	0.49	0.39–0.60	0.91	0.52	0.39–0.65	0.79
AKIN 2 definition	0.52	0.44–0.60	0.66	0.50	0.40–0.60	0.94
CIN definition	0.48	0.34–0.63	0.78	0.51	0.39–0.63	0.91
RIFLE definition	0.50	0.44–0.57	0.96	0.50	0.40–0.61	0.96

AUC, area under the curve; CI, confidence interval; CKD, chronic kidney disease; AKI, acute kidney injury

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