Cohorts | Sensitivity (%) | Specificity (%) | AUC (95%CI) | Accuracy (%) |
---|---|---|---|---|
Training cohort | Â | Â | Â | Â |
US-reported central LN status in training cohort | 50.0 | 90.3 | 0.702 (0.635–0.768) | 76.3 |
Radiomics signature in training cohort | 83.7 | 81.1 | 0.839 (0.792–0.887) | 82.0 |
Radiomics nomogram in training cohort | 83.7 | 81.6 | 0.875 (0.834–0.915) | 82.3 |
Internal validation cohort | Â | Â | Â | Â |
US-reported central LN status in validation cohort 1 | 48.9 | 90.6 | 0.698 (0.599–0.797) | 76.9 |
Radiomics signature in validation cohort 1 | 78.7 | 81.2 | 0.819 (0.738–0.900) | 80.4 |
Radiomics nomogram in validation cohort 1 | 83.0 | 82.3 | 0.857 (0.785–0.929) | 82.5 |
External validation cohort 1 | Â | Â | Â | Â |
US-reported central LN status in validation cohort 2 | 45.7 | 91.9 | 0.688 (0.600–0.776) | 69.4 |
Radiomics signature in validation cohort 2 | 65.7 | 79.7 | 0.799 (0.729–0.869) | 72.9 |
Radiomics nomogram in validation cohort 2 | 77.1 | 85.1 | 0.880 (0.826–0.934) | 81.3 |
External validation cohort 2 | Â | Â | Â | Â |
US-reported central LN status in validation cohort 3 | 52.4 | 85.7 | 0.690 (0.587–0.794) | 75.1 |
Radiomics signature in validation cohort 3 | 71.4 | 74.7 | 0.797 (0.716–0.879) | 73.7 |
Radiomics nomogram in validation cohort 3 | 71.4 | 87.9 | 0.870 (0.808–0.932) | 82.7 |