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Table 1 The sensitivities, specificities, PPV, NPV, accuracies, AUC, and P values of the optimum threshold values of the quantitative PET/CT parameters for differentiation of responsive from the non-responsive group

From: Role of PET/CT in initial evaluation of lymphoma patients

Parameter Optimum threshold value Sensitivity Specificity PPV NPV AUC P value
Baseline SUV  > 4.55 83.15% 85.71% 97.4% 44.4% 0.798 0.0001
Post-treatment SUV  ≤ 1.4 73% 100% 100% 36.8% 0.864  < 0.0001
∆ SUV  > 28 100% 100% 100% 100% 1.000  < 0.0001
Post-treatment MTV  ≤ 1 77.5% 100% 100% 41.2% 0.939  < 0.0001
∆MTV  > 42.9 97.75% 100% 100% 87.5% 0.997  < 0.0001
Post-treatment TLG  ≤ 15.3 93.26% 85.71% 97.6% 66.7% 0.936  < 0.0001
∆TLG  > 55 100% 100% 100% 100% 1.000  < 0.0001