Table 2 Performance of models

From: A PET/CT nomogram incorporating SUVmax and CT radiomics for preoperative nodal staging in non-small cell lung cancer

Model Cutoff Training cohort Testing cohort
AUC 95% CI Accuracy Specificity Sensitivity AUC 95% CI Accuracy Specificity Sensitivity
SAD 1.000 0.697 0.622–0.773 0. 659 0.719 0.461 0.729 0.619–0.839 0.513 0.750 0.500
SUVmax 2.500 0.797 0.734–0.860 0.719 0.573 0.876 0.828 0.739–0.917 0.718 0.575 0.868
Rad-Score − 0.044 0.849 0.796–0.903 0.768 0.802 0.730 0.828 0.782–0.919 0.769 0.725 0.816
Int-Score 0.331 0.881 0.834–0.928 0.789 0.688 0.899 0.872 0.797–0.946 0.756 0.625 0.895
  1. The values in italics indicate the cut-off values used in the diagnosis process
  2. AUC, the area under receiver operating characteristic (ROC) curves; CI, confidence interval
  3. *SUVmax ≥ 2.5 or SAD ≥ 1.0 cm to be malignant LNs, which are usually used as reference standards in our diagnosis process