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Table 4 Multivariate Analysis of Cox Proportional Hazards Model for Overall Survival in NPC patients

From: Elevated expressions of survivin and VEGF protein are strong independent predictors of survival in advanced nasopharyngeal carcinoma

Characteristics Hazard ratio 95%CI P
Sex (male vs. female) 0.463 0.235–0.911 0.026
VEGF (low expression vs. over-expression) 2.205 1.266–3.839 0.005
Survivin (low expression vs. over-expression) 1.834 1.056–3.184 0.031
Metastasis (no vs. yes) 3.598 1.614–8.021 0.002