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. 2014 May 17;9:89. doi: 10.1186/1749-8090-9-89

Figure 2.

Figure 2

Receiver operator characteristic (ROC) curve for 3 h post-CPB NGAL and creatinine for the diagnosis of AKI within the next 1–3 days. The area under the ROC for the NGAL was 0.83 (95% CI 0.70–0.95), indicating a good performance for the diagnosis of AKI, while for creatinine it was 0.65 (95% CI 0.47–0.82). Abbreviations: ROC, receiver operator characteristic; CPB, cardiopulmonary bypass; NGAL, neutrophil gelatinase-associated lipocalin; AKI, acute kidney injury; CI, confidence interval. Diagonal segments are produced by ties.