Table 2 Risk factors for lymph node metastases by logistic regression
Variables | RR | 95% CI | p value |
|---|---|---|---|
ALB | 0.469 | 0.191~1.148 | 0.097 |
DB | 0.574 | 0.171~1.923 | 0.368 |
CA19-9 | 7.064 | 2.489~20.051 | 0.000 |
Differentiation | 1.727 | 0.942~3.165 | 0.077 |
Portal vein system invasion | 4.610 | 1.252~16.972 | 0.013 |