Table 3.
Multivariate 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 |
| Tumor size (≤10, > 10 cm) |
1.525 (0.465-5.001) |
0.486 |
2.084 (0.901-4.821) |
0.086 |
| Mitosis count (≤10, > 10/50 HPF) |
3.388 (1.193-9.636) |
0.022* |
4.117 (1.845-9.185) |
0.001** |
| Serosal invasion (Yes, No) | 10.220 (2.862-36.493) | <0.001** | 2.960 (1.237-7.079) | 0.015* |