Table 7.
Analysis of lymph node metastasis using a logistic regression model according to age.
| Characteristics | ⩽55 years |
>55 years |
||
|---|---|---|---|---|
| Odds ratio (95% CI) |
p value | Odds ratio (95% CI) |
p value | |
| Sex | ||||
| Male | 1 | <0.05 | 1 | |
| Female | 2.27 (1.42–3.30) | 0.98 (0.64–1.52) | NS | |
| Tumor size | ||||
| ⩽3 cm | 1 | <0.05 | 1 | |
| >3 cm | 1.92 (1.27–2.90) | 1.61 (1.06–2.43) | <0.05 | |
| Lymphovascular invasion | ||||
| No | 1 | <0.05 | 1 | |
| Yes | 4.01 (2.35–6.86) | 3.66 (2.24–5.98) | <0.05 | |
| Depth of invasion | ||||
| Mucosa | 1 | <0.05 | 1 | |
| Submucosa | 2.17 (1.42–3.30)1 | 5.12 (2.85–9.17) | <0.05 | |
| Histology | ||||
| WD-TUB | 1 | NS | 1 | |
| MD-TUB | 2.70 (0.99–7.32) | <0.05 | 0.95 (0.51–1.77) | NS |
| PD-TUB | 2.71 (1.02–7.14) | NS | 2.17 (1.22–3.85) | <0.05 |
| SRC | 2.99 (0.83–6.64) | 0.86 (0.22–2.29) | NS | |
CI, confidence interval; NS, nonspecific; MD-TUB, moderately differentiated tubular adenocarcinoma; PD-TUB, poorly differentiated tubular adenocarcinoma; SRC, signet ring cell carcinoma; WD-TUB, well-differentiated tubular adenocarcinoma.