Table 4.
Univariate analysis of parameters potentially related to the risk of relapse in patients undergoing surgery
| Parameter | Hazard ratio (95% CI) | P‐value |
|---|---|---|
| R1 to R0 | 1.23 (0.37–4.06) | 0.7372 |
| Male gender | 0.796 (0.441–1.437) | 0.448 |
| Tumor size | 1.088 (0.994–1.192) | 0.0671 |
| Postoperative radiotherapy | 0.471 (0.253–0.880) | 0.0182 |
| Masaoka II vs. Masaoka I | 1.311 (0.387–4.425) | 0.6640 |
| Masaoka III vs. Masaoka I | 3.154 [0.869–11.494) | 0.0807 |
| Masaoka IV vs. Masaoka I | 13.157 (3.413–50) | 0.0002 |
| Histological type B2 vs. A, AB, B1 | 3.077 (1.355–6.99) | 0.0072 |
| Histological type B3 vs. A, AB, B1 | 1.815 (0.668–4.926) | 0.2420 |
| Histological type carcinoma vs. A, AB, B1 | 4.566 (2.075–10.00) | 0.0002 |
| Weight loss | 2.606 (0.998–6.802) | 0.0504 |
| Comorbidities | 2.310 (1.257–4.246) | 0.0070 |