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. 2019 Jul 16;92(1101):20190134. doi: 10.1259/bjr.20190134

Table 4. .

The ROC curve analysis of the “choline-to-creatine ratio” in detecting malignancy in ovarian tumours

Area under curve p value 95% confidence interval Cut-off value Sensitivity Specificity PPV NPV Accuracy
Lower bound Upper bound
0.919 <0.001 0.802 1.035 1.7 81.5% 93.6% 93% 83% 87.5%

NPV, negative predictive value; PPV, positive predictive value.