S100 calcium binding protein A6 and associated long noncoding ribonucleic acids as biomarkers in the diagnosis and staging of primary biliary cholangitis

Table 3 Demographics and clinical characteristics in the training and validation datasets

Characteristics	Training	Validation	P value
No.	140	115	-
Age, mean ± SD, yr	56.0 ± 13.9	57.2 ± 13.2	0.504
Gender, n (%)
Male	17 (12.1)	13 (11.3)
Female	123 (87.9)	102 (88.7)	1.0
Pathological stage
Ι and II	36 (45.0)	26 (40.0)
III and IV	44 (55.0)	39 (60.0)	0.614

Normally distributed data are expressed as mean ± SD. Categorical variable values are described as n (%). SD: Standard deviation.