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Table 4 Multivariate Cox proportional hazards analysis for overall survival

From: Prognostic significance of XIAP and NF-κB expression in esophageal carcinoma with postoperative radiotherapy

Variables Overall survival P
  RR 95% CI  
XIAP 4.68 1.60 to 13.67 0.005
Differentiation 3.55 1.51 to 8.37 0.004