Table 3. Uni- and multivariate analyses of the impact of each clinical prognostic variable and PDGFβR positive stroma fraction on overall survival.
| Variables | Univariate analysis | Multivariate | ||
|---|---|---|---|---|
| HR (95% CI) | p-value | HR (95% CI) | p-value | |
| Age at diagnosis | 1.02 (0.99-1.03) | 0.083 | 0.99 (0.97-1.01) | 0.34 |
| FIGO stage I+II III IV |
1 (reference) 5.08 (2.22-11.66) 9.19 (3.75-22.54) |
<0.001 <0.001 |
1 (reference) 2.58 (0.94-7.11) 4.11 (1.35-12.46) |
0.07 0.013 |
| Histologic grade Grade 1 Grade 2 Grade 3 |
1 (reference) 1.81 (0.89-3.68) 2.84 (1.46-5.53) |
0.1 0.002 |
1 (reference) 1.11 (0.46-2.67) 1.32 (0.59-2.95) |
0.8 0.5 |
| Residual tumor after primary surgery No residual tumor Residual tumor |
1 (reference) 8.57 (3.85-19.1) |
0.001 |
1 (reference) 4.68 (1.9-11.53) |
0.001 |
| PDGFβR positive stroma fraction Low PDGFβR High PDGFβR |
1 (reference) 1.61 (1.11-2.34) |
0.01 |
1 (reference) 1.66 (1.11-2.46) |
0.01 |
Abbreviations: HR=hazard ratio, CI=confidence interval