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| Variate | Hazard ratio | 95% confidence interval | P-value |
|---|---|---|---|
| Tumour size | |||
| ⩽5 cm | 1 | ||
| >5 cm | 0.54 | 0.19–1.51 | 0.2400 |
| Histological type | |||
| Differentiated | 1 | ||
| Undifferentiated | 1.97 | 0.78–4.97 | 0.1500 |
| Serosal invasion | |||
| Negative | 1 | ||
| Positive | 3.38 | 1.21–9.50 | 0.0210 |
| Lymph node metastasis | |||
| Negative | 1 | ||
| Positive | 0.78 | 0.37–1.65 | 0.5200 |
| CEA mRNA status | |||
| Negative | 1 | ||
| Positive | 1.79 | 1.13–2.85 | 0.0130 |
CEA=carcinoembryonic antigen.
