Fig. 2
From: A nomogram to predict lymph node metastasis risk for early esophageal squamous cell carcinoma
The prediction ability of each risk factor and the combined model. a. Derivation cohort. Tumor differentiation in blue line: AUC 0.617, 95% CI 0.509–0.724 (Sensitivity 0.356, Specificity 0.870); pT stage in green line: 0.623, 95% CI 0.532–0.714 (Sensitivity 0.812, Specificity 0.413); Tumor size in brown line: 0.596, 95% CI 0.494–0.697 (Sensitivity 0.552, Specificity 0.645); Combined full model in red line: 0.810 95% CI 0.742–0.895 (Sensitivity 0.821, Specificity 0.652). b. Validation cohort. Tumor differentiation in green line: AUC 0.765, 95% CI 0.596–0.933 (Sensitivity 0.650, Specificity 0.830); pT stage in brown line: 0.647, 95% CI 0.498–0.796 (Sensitivity 0.980, Specificity 0.312); Tumor size in blue line: 0.686, 95% CI 0.515–0.858 (Sensitivity 0.650, Specificity 0.682); Combined full model in red line: 0.830, 95% CI 0.763–0.902 (Sensitivity 0.820, Specificity 0.760)