Table 6.
Analysis of lymph node metastasis according to sex using a logistic regression model
| Characteristic |
Male |
Female |
||||
| P value | OR | 95%CI | P value | OR | 95%CI | |
| Age | ||||||
| ≤ 60 yr | 1.000 | 1.000 | ||||
| > 60 yr | 0.919 | 1.012 | 0.804-1.274 | 0.512 | 1.127 | 0.789-1.610 |
| Tumour size | ||||||
| ≤ 5 cm | 1.000 | 1.000 | ||||
| > 5 cm | 0.001 | 0.532 | 0.418-0.677 | 0.006 | 0.605 | 0.425-0.863 |
| Lymphovascular invasion | ||||||
| No | 1.000 | 1.000 | ||||
| Yes | 0.001 | 0.359 | 0.284-0.453 | 0.001 | 0.357 | 0.254-0.501 |
| Depth of invasion | ||||||
| Muscularis propria | 0.684 | 0.823 | 0.323-2.098 | 0.190 | 0.387 | 0.094-1.601 |
| Sub-serosal | 0.735 | 0.852 | 0.338-2.149 | 0.298 | 0.474 | 0.116-1.035 |
| Serosal exposed | 0.934 | 1.040 | 0.409-2.645 | 0.585 | 0.673 | 0.163-2.779 |
| Serosal invasion | 0.817 | 1.143 | 0.369-3.540 | 1.000 | 1.000 | 0.160-6.255 |
| Histology | ||||||
| Tubular adenocarcinoma (well) | 1.000 | 1.000 | ||||
| Tubular adenocarcinoma (moderate) | 0.044 | 0.489 | 0.244-0.980 | 0.853 | 1.157 | 0.247-5.405 |
| Tubular adenocarcinoma (poor) | 0.047 | 0.497 | 0.249-0.992 | 0.726 | 1.312 | 0.288-5.979 |
| Signet ring cell carcinoma | 0.122 | 0.543 | 0.251-1.177 | 0.520 | 1.673 | 0.349-8.015 |
| Mucinous adenocarcinoma | 0.048 | 0.411 | 0.170-0.992 | 0.945 | 1.065 | 0.178-6.387 |
OR: Odds ratio; CI: Confidence interval.