Table 1.

Summary of baseline demographic and clinical characteristics of all patients with cholangiocarcinoma included in the study.

Characteristic	Study subgroup
Sex	Male (n = 23)	Female (n = 22)
Age, years	58.5 ± 2.8	57.7 ± 3.1
Aged >58 years	12 (52.17)	11 (50)
Aged ≤58 years	11 (47.83)	11 (50)
CA 19-9, ng/ml	52.2 ± 3.6	51.8 ± 4.2
γ-GGT, U/l	46.8 ± 2.2	47.1 ± 2.7
ALP, U/l	119.9 ± 14.5	121.1 ± 15.8
Tumour number	2.5 ± 0.8	2.8 ± 0.7
Tumour size, cm	4.4 ± 0.9	4.6 ± 0.7
Tumour differentiation, degree
Well	2 (8.69)	3 (13.64)
Moderate	18 (78.27)	17 (77.27)
Poor	3 (13.04)	2 (9.09)
TNM stage, I–IV
I–II	16 (69.6)	16 (72.7)
III–IV	7 (30.4)	6 (27.3)
Lymph node metastasis
Positive	23 (100)	22 (100)
Negative	0	0

Data presented as n (%) prevalence or mean ± SD.

CA 19-9, carbohydrate antigen 19-9; γ-GGT, γ- Glutamyl transferase; ALP, alkaline phosphatase; TNM, tumour node metastasis.