Table 4.
Logistic analysis of clinicopathological features associated with muscularis propria invasion (pT2)
| Univariate analysis | Multivariate analysis | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | |
| Age (years) | ||||||
| ≤60 | 1 | 1 | ||||
| >60 | 1.72 | 1.35–2.20 | <0.001 | 1.74 | 1.34–2.26 | <0.001 |
| Gender | ||||||
| Male | 1 | 1 | ||||
| Female | 0.86 | 0.63–1.17 | 0.330 | |||
| Body mass index (kg/m2) | ||||||
| <24 | 1 | |||||
| ≥24 | 0.93 | 0.81–1.04 | 0.829 | |||
| American Society of Anesthesiologists | ||||||
| 1–2 | 1 | |||||
| 3–4 | 0.88 | 0.56–1.45 | 0.683 | |||
| Tumor size | ||||||
| ≤3.0 cm | 1 | 1 | ||||
| >3.0 cm | 3.06 | 1.96–4.77 | <0.001 | 2.92 | 1.78–4.79 | <0.001 |
| Tumor location | ||||||
| Upper third | 1 | 1 | ||||
| Middle third | 1.04 | 0.64–1.68 | 0.879 | 1.11 | 0.68–1.83 | 0.677 |
| Lower third | 0.48 | 0.34–0.67 | <0.001 | 0.51 | 0.36–0.73 | <0.001 |
| Two thirds or more | 0.96 | 0.28–3.23 | 0.942 | 0.42 | 0.11–1.57 | 0.198 |
| Histologic type | ||||||
| Differentiated | 1 | |||||
| Undifferentiated | 0.86 | 0.67–1.10 | 0.225 | |||
| Lymphovascular invasion | ||||||
| Absence | 1 | |||||
| Presence | 1.33 | 0.82–2.14 | 0.252 | |||
| Perineural invasion | ||||||
| Absence | 1 | 1 | ||||
| Presence | 9.45 | 4.75–18.80 | <0.001 | 11.60 | 5.72–23.52 | <0.001 |