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) | Pvalue | RFS hazard ratio (95% Cl) | Pvalue |
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* |