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. 2022 Apr;12(4):2344–2355. doi: 10.21037/qims-21-676

Figure 6.

Figure 6

Classification performance on external dataset. Performance on the trained system was measured in terms of SS, SP, PPV, NPV and AUC. SS, sensitivity; SP, specificity; PPV, positive predictive value; NPV, negative predictive value; AUC, area under the curve.