Table 2.
Univariate and Multivariate Cox Proportional Hazards Regression of Prediction of PFS.
| Parameter | At-risk group | PFS risk | |||
|---|---|---|---|---|---|
| Positive | Negative | P | HR | 95%CI | |
| Statistically significant factors in univariate analysis | |||||
| Age | ≥50 | <50 | 0.276 | 0.669 | 0.325-1.379 |
| FIGO stage | III/IV | I/II | 0.073 | 1.908 | 0.941-3.873 |
| Treatment | Surgery | Chemoradiotherapy | 0.605 | 1.237 | 0.533-2.767 |
| Tumor size | >4cm | ≤4cm | 0.029 | 2.372 | 1.092-5.156 |
| Pathological type | Adenocarcinoma | SCC | 0.021 | 3.509 | 1.209-10.186 |
| CTC count | ≥1 | <1 | 0.030 | 4.931 | 1.166-20.848 |
| Multivariate Cox proportional hazards regression analysis | |||||
| Pathological type | Adenocarcinoma | SCC | 0.029 | 3.271 | 1.127-9.498 |
| CTC count | ≥1 | <1 | 0.034 | 4.762 | 1.127-20.117 |