Table 1.
Distributions of age and sex of the study subjects.
Table 2.
The association between medical risk factors and cholangiocarcinoma by disease sites.
Table 3.
Multivariable analysis adjusted for possible intermediate factors for the association between selected medical risk factors and cholangiocarcinoma by disease sites.
Table 4.
Results of the association between medical risk factors and cholangiocarcinoma stratified by sex and age, statistically significant interaction only (p<0.05).