Table 2.
Univariate and multivariate Cox Regression Models for estimating the overall survival
| Characteristics | HR | 95% CI | P‐value |
|---|---|---|---|
| Univariate analysis | |||
| Overall survival | |||
| Age (≥60 y vs <60 y) | 1.741 | 0.510‐1.645 | 0.768 |
| Gender (male vs female) | 1.365 | 0.339‐1.217 | 0.642 |
| Alcohol history (alcohol vs none alcohol) | 2.725 | 0.419‐1.538 | 0.508 |
| Smoking history (smoker vs nonsmoker) | 1.976 | 0.667‐3.070 | 0.357 |
| Histological grade (differentiation) | 1.890 | 0.181‐1.949 | 0.037 |
| Tumor size (T3, T4 vs T1, T2) | 1.740 | 0.400‐1.370 | 0.339 |
| Nodal status (N1, N2 vs N0) | 2.086 | 0.986‐3.962 | 0.021 |
| CD147 expression (high vs low) | 4.030 | 1.176‐7.425 | 0.001 |
| Multivariate analysis | |||
| Overall survival | |||
| Histological grade (differentiation) | 1.167 | 1.023‐3.218 | 0.042 |
| Nodal status (N1, N2 vs N0) | 1.814 | 0.619‐2.197 | 0.032 |
| CD147 expression (high vs low) | 3.615 | 1.052‐5.260 | 0.002 |
HR, hazard ration; CI, confidence interval.
P‐values in bold print indicate statistical significance.