Development and Validation of a Nomogram for Predicting Overall Survival to Concurrent Chemoradiotherapy in Patients with Locally Advanced Esophageal Squamous Cell Carcinoma

Table 3

Accuracy of the proposed nomogram for predicting 3-year and 5-year survival probability.

Variable	Training set		Validation set
	3 years	5 years	3 years	5 years
AUC	0.816	0.811	0.825	0.813
Cutoff point	116	111	115	114
Sensitivity (%)	72.8	70.3	74.4	65.3
Specificity (%)	81.0	84.9	79.0	85.0

AUC: area under the receiver operating characteristic curve.