Table III. Efficiency of positron-emission tomography (PET) or PET/computed tomography for cancer detection in asymptomatic individuals (group 1) and those with suspected malignancy (group 2).

Acc: Accuracy; FN: false-negative; FP: false-positive; NPV: negative predictive value; PPV: positive predictive value; Sen: sensitivity; Spe: specificity; TN: true negative; TP: true positive. *p<0.001, group 1 vs. group 2.