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Table 3 Multivariate survival analysis for relapse-free and tumor-related survival of patients with esophageal SCC after best model selection by BIC.

From: Ep-CAM expression in squamous cell carcinoma of the esophagus: a potential therapeutic target and prognostic marker

Variable Relative risk of death (CI 95%) p-value
Relapse-free survival   
Lymph node metastasis Present vs. absent 3.068 (1.434 – 5.950) < 0.001
Ep-CAM expression 3+ vs. 0 - 2+ 5.392 (1.831 – 15.878) < 0.001
Tumor-related survival   
Lymph node metastasis Present vs. absent 2.924 (1.577 – 5.421) < 0.001
Ep-CAM expression 3+ vs. 0 - 2+ 3.762 (1.471 – 9.619) < 0.001