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Table 3 Accuracy of cut-off SUVmax values for mediastinal malignancy, expressed as absolute value or as a ratio

From: FDG-PET parameters predicting mediastinal malignancy in lung cancer

  Sensitivity Specificity PPV NPV Accuracy
SUVmax mediastinum >4 72.3 80.4 81.0 71.4 76.0
\( \frac{\mathrm{SUVmax}\kern0.5em \mathrm{Mediastinum}}{\mathrm{SUVmax}\kern0.62em \mathrm{Tumor}}>0.4 \) 70.8 73.2 75.4 68.3 71.9