Variables | Odds ratio | 95% confidence interval | P |
---|---|---|---|
Age (> 60) | 0.981 | 0.953–1.01 | 0.205 |
Male sex | 0.341 | 0.163–0.715 | 0.004 |
Tumor size (> 2 cm) | 1.38 | 1.07–1.779 | 0.013 |
Undifferentiated-type | 6.873 | 1.964–24.05 | 0.003 |
Lymphovascular invasion | 11.156 | 3.088–40.307 | < 0.001 |