. 2019 Mar 18;9:4796. doi: 10.1038/s41598-019-40857-3

Table 1.

Patient characteristics.

GBC patients		All cases	Short survival	Long survival	p-value
		40	20	20
Age	median (years)	70.1	70.6	67.8	0.386^a
Sex	female	27	12	15	0.500^b
Sex	male	13	8	5
UICC stage	UICC I	1	0	1	0.825^b
	UICC II	2	1	1
	UICC III	19	11	8
	UICC IV	8	5	3
	UICC NA	10	3	7
Primary tumour	pT1	3	1	2	0.688^b
	pT2	17	7	10
	pT3	15	9	6
	pT4	5	3	2
Lymph nodes	pN0	9	2	7	0.184^b
	pN1	12	7	5
	pNx	19	11	8
Metastasis	M0	34	16	18	0.661^b
Metastasis	M1	6	4	2
Perineural invasion	Pn0	29	13	16	0.480^b
Perineural invasion	Pn1	11	7	4
Lymphatic invasion	L0	24	10	14	0.333^b
Lymphatic invasion	L1	16	10	6
Vascular invasion	V0	34	16	18	0.661^b
Vascular invasion	V1	6	4	2
Resection	R0	15	6	9	0.227 ^b
	R1	12	6	6
	R2	6	5	1
	Rx	7	3	4
Pre-existing hepatobiliary tract disease	yes	20	13	7	0.113^b
Pre-existing hepatobiliary tract disease	no	20	7	13

^aT-test; ^bFisher’s exact test; missing data was omitted.