Table 4. Uni- and multivariate analyses of the impact of each clinical prognostic variable and PDGFβR perivascular intensity on overall survival.
| Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| 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) | 0.53 |
| 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) 2.63 (0.97-7.17) 4.29 (1.43-12.84) |
0.06 0.009 |
| 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) 1.01 (0.42-2.42) 1.19 (0.54-2.66) |
0.98 0.66 |
| Residual tumor after primary surgery No residual tumor Residual tumor |
1 (reference) 8.57 (3.85-19.1) |
<0.001 |
1 (reference) 4.44 (1.8-10.96) |
0.001 |
| PDGFβR positive perivascular intensity Low PDGFβR High PDGFβR |
1 (reference) 1.89 (1.2-2.98) |
0.006 |
1 (reference) 1.72 (1.07-2.75) |
0.03 |
Abbreviations: HR=hazard ratio, CI=confidence interval