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 |