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Table 7 ROC curve analysis for prediction of malignancy among various MRI techniques in correlation to the final histopathological diagnosis

From: MR diffusion versus MR perfusion in patients with ovarian tumors; how far could we get?

 

Conventional MRI

Diffusion-weighted images

MRI perfusion

Combined conventional + DWI or conventional + MRI perfusion

Sensitivity

92%

98%

98%

97%

Specificity

61.11%

83%

83%

92%

PPV

76.7%

90%

90%

90%

NPV

84.6%

98%

98%

98%

Accuracy

79.1%

93%

93%

93%