Novel Serum Biomarkers to Differentiate Cholangiocarcinoma from Benign Biliary Tract Diseases Using a Proteomic Approach

Table 1

Clinical characteristics of patients with benign biliary tract diseases (BBTDs) and cholangiocarcinoma (CCA) in this study.

Characteristics	BBTDs	CCA	values
Number of patients	17	19	—
Sex
(Male : female)	10 : 7	10 : 9	0.085
Age (years)
Mean ± S.D.	52.6 ± 13	60.9 ± 13	0.285
CEA (U/mL)
Median	8.70	9.87	0.711
(Min–max)	(0.62–118.30)	(1.47–410.40)
CA19-9 (ng/mL)
Median	48.03	4355.50	0.015
(Min–max)	(0.60–10000)	(0.60–10000)