Table 4 Multivariate analysis of disease-free survival in patients with ampullary adenocarcinoma
Variables | Hazard ratio | P value |
|---|---|---|
Subtype | ||
Intestinal | Ref. | 0.664 |
Pancreaticobiliary | 1.72 (0.15–19.54) | |
T stage | ||
T1, T2 | Ref. | 0.063 |
T3, T4 | 8.21 (0.89–75.54) | |
Lymph node metastasis | ||
No | Ref. | 0.091 |
Yes | 3.35 (0.82–13.63) | |
Lymphovascular invasion | ||
No | Ref. | 0.447 |
Yes | 1.97 (0.34–11.39) | |
Differentiation | ||
Well/mod | Ref. | 0.031 |
poorly | 4.95 (1.16–21.18) | |