Table 7.
Analysis of lymph node metastasis according to age using a logistic regression model
| Characteristic |
≤ 60 yr old |
> 60 yr old |
||||
| P value | OR | 95%CI | P value | OR | 95%CI | |
| Sex | ||||||
| Male | 1.000 | 1.000 | ||||
| Female | 0.066 | 0.762 | 0.571-1.018 | 0.543 | 0.910 | 0.670-1.235 |
| Tumour size | ||||||
| ≤ 5 cm | 1.000 | 1.000 | ||||
| > 5 cm | 0.001 | 0.452 | 0.344-0.594 | 0.020 | 0.707 | 0.528-0.947 |
| Lymphovascular invasion | ||||||
| No | 1.000 | 1.000 | ||||
| Yes | 0.001 | 0.312 | 0.239-0.407 | 0.001 | 0.406 | 0.307-0.536 |
| Depth of invasion | ||||||
| Muscularis propria | 0.024 | 0.169 | 0.036-0.790 | 0.452 | 1.477 | 0.535-4.077 |
| Sub-serosal | 0.046 | 0.211 | 0.046-0.975 | 0.444 | 1.481 | 0.541-4.056 |
| Serosal exposed | 0.122 | 0.298 | 0.064-1.381 | 0.332 | 1.659 | 0.597-4.607 |
| Serosal invasion | 0.324 | 0.422 | 0.076-2.341 | 0.503 | 1.571 | 0.418-5.903 |
| Histology | ||||||
| Tubular adenocarcinoma (well) | 1.000 | 1.000 | ||||
| Tubular adenocarcinoma (moderate) | 0.340 | 0.644 | 0.261-1.589 | 0.088 | 0.465 | 0.193-1.121 |
| Tubular adenocarcinoma (poor) | 0.788 | 0.885 | 0.364-2.151 | 0.031 | 0.381 | 0.158-0.918 |
| Signet ring cell carcinoma | 0.909 | 0.947 | 0.370-2.424 | 0.166 | 0.496 | 0.184-1.339 |
| Mucinous adenocarcinoma | 0.483 | 0.677 | 0.228-2.014 | 0.068 | 0.346 | 0.111-1.080 |
OR: Odds ratio; CI: Confidence interval.