Preoperative evaluation of pancreatic ductal adenocarcinoma with synchronous liver metastasis: Diagnosis and assessment of unresectability

Table 2 Predictors of synchronous liver metastasis from resectable pancreatic ductal adenocarcinoma

Parameter	Total (Group A + Group B)	Pancreatectomy alone (Group C)	P value (univariate)
	n = 69	n = 138
Age, yr
≤ 62	32	80
> 62	37	58	0.116
Sex
Male	47	93
Female	22	45	0.916
BMI
< 18 kg/m2	6	11	0.196
18-25 kg/m2	54	101
> 25 kg/m2	9	26	0.965
Smoke
No	50	97
Yes	19	41	0.745
ASA
I	21	37
II-III	48	101	0.584
CA19-9
≤ 400 U/mL	40	116
> 400 U/mL	29	22	< 0.001
CA125
≤ 38 U/mL	20	121
> 38 U/mL	49	26	< 0.001
CEA
≤ 5 U/mL	42	112
> 5 U/mL	27	26	0.002
Fibrinogen
≤ 4.0 g/L	50	101
> 4.0 g/L	19	37	0.912
NLR
≤ 5	59	131
> 5	10	7	0.026
PLR
≤ 150	36	78
> 150	33	60	0.553
PNI
> 45	42	101
≤ 45	27	37	0.072
Platelet
≤ 250 × 109/L	53	108
> 250 × 109/L	16	30	0.813
Jaundice
No	34	78
Yes	35	60	0.431
Albumin
> 35 g/L	42	82
≤ 35 g/L	27	56	0.841
Diabetes mellitus
No	39	101
Yes	30	37	0.017
Pancreatitis
No	42	93
Yes	27	45	0.354