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) | P value | RFS hazard ratio (95% Cl) | P value |
| 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** |