Skip to main content

Table 4 Risk factors affecting 5-year overall survival rate determined by Cox’s regression analysis

From: Clinical significance of erythropoietin receptor expression in oral squamous cell carcinoma

Variable Relative risk 95% Confidence interval p-Value
T classification
T3, T4 vs. T1, T2 2.219 1.171–4.206 0.015
N classification
Positive vs. Negative 2.651 1.679–4.187 <0.001