Table 2 Univariate analyses of factors by cox regression model associated with recurrence-free survival (RFS) in test and validation cohort (*, P < 0.05; **, P < 0.01)
Test cohort | Validation cohort | |||
|---|---|---|---|---|
Variable | RFS hazard ratio (95% Cl) | Pvalue | RFS hazard ratio (95% Cl) | Pvalue |
Age (≤50, > 50) | 0.463 (0.178-1.206) | 0.115 | 3.673 (1.126-11.983) | 0.031* |
Gender (male, female) | 0.594 (0.237-1.489) | 0.266 | 0.342 (0.161-0.728) | 0.005** |
Tumor site (stomach, no stomach) | 9.629 (2.820-32.879) | <0.001** | 1.760 (0.900-3.440) | 0.098 |
Tumor size (≤10, > 10 cm) | 8.732 (3.604-21.154) | <0.001** | 5.392 (2.787-10.430) | <0.001** |
Mitosis count (≤10, > 10/50 HPF) | 13.459 (5.470-33.115) | <0.001** | 8.462 (4.335-16.519) | <0.001** |
Serosal invasion (Yes, No) | 20.531 (8.170-51.596) | <0.001** | 7.706 (3.938-15.081) | <0.001** |