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. 2017 Mar 8;8(46):81235–81249. doi: 10.18632/oncotarget.16027

Figure 6. Performance to detect α-fetoprotein (AFP)-negative hepatocellular carcinoma (HCC) with aflatoxin B1 (AFB1).

Figure 6

A. The receiver operating characteristic curve (ROC) was used to distinguish cases with both AFP-negative HCC and positive AFB1 (n = 108) from controls (n = 662). B. ROC was used to distinguish cases with both AFP-negative small liver cancer and positive AFB1 (n = 62) from controls (n = 662). C. ROC was used to distinguish cases with both AFP-negative early-stage HCC and positive AFB1 (n = 68) from controls (n = 662). Abbreviations: AUC, the area under the ROC curve; Ref, reference line.