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Table 4 ROC analyses of qDCE-MRI parameters for discrimination between stage I–II and stage III–IV lesions

From: Quantitative dynamic contrast-enhanced MR imaging can be used to predict the pathologic stages of oral tongue squamous cell carcinoma

Parameters AUC (95% CI) Sensitivity(95% CI) Specificity(95% CI) PPV (95% CI) NPV (95% CI) Accuracy (95% CI)
Ktrans 0.703 (0.560–0.846) 0.867 (0.584–0.977) 0.583 (0.408–0.740) 0.464 (0.280–0.658) 0.913 (0.705–0.985) 0.647 (0.710–0.764)
Kep 0.731 (0.590–0.873) 0.643 (0.441–0.807) 0.826 (0.605–0.943) 0.818 (0.590–0.940) 0.655 (0.457–0.814) 0.725 (0.583–0.841)
Vp 0.710 (0.562–0.857) 0.892 (0.706–0.972) 0.522 (0.311–0.726) 0.694 (0.517–0.831) 0.800 (0.514–0.947) 0.725 (0.583–0.841)
  1. AUC area under the curve, CI confidential interval, PPV positive predictive value, NPV negative predictive value