Table 5

Cross-validation—diagnostic evaluation

Predictive modelCross-validated model
Sensitivity66.0% (62.2 to 69.7)64.8% (60.9 to 68.5)
Specificity66.4% (65.1 to 67.8)66.6% (65.2 to 67.9)
PPV20.8% (19.0 to 22.6)20.5% (18.8 to 22.4)
NPV93.6% (92.8 to 94.4)93.4% (92.5 to 94.2)
PLR2.0 (1.8 to 2.1)1.9 (1.8 to 2.1)
NLR0.51 (0.46 to 0.57)0.53 (0.48 to 0.59)
Correctly classified66.2%66.4%
AUROC curve0.71 (0.69 to 0.73)0.70 (0.68 to 0.72)
  • NLR, negative likelihood ratio; NPV, negative predictive value; PLR, positive likelihood ratio; PPV, positive predictive value.