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

Table 4 Risk factors for unresectability of synchronous liver metastasis from pancreatic ductal adenocarcinoma

Parameter	Simultaneous resections (Group A)	Palliative surgical bypass (Group B)	P value (univariate)
	n = 30	n = 39
Age, yr
≤ 62	20	12
> 62	10	27	0.004
Sex
Male	20	27
Female	10	12	0.821
BMI
< 18 kg/m2	2	4	0.664
18-25 kg/m2	23	31
> 25 kg/m2	5	4	0.472
Smoke
No	23	27
Yes	7	12	0.494
ASA
I	11	10
II-III	19	29	0.326
CA19-9
≤ 400 U/mL	22	18
> 400 U/mL	8	21	0.026
CA125
≤ 38 U/mL	11	9
> 38 U/mL	19	30	0.221
CA125
≤ 62 U/mL	21	11
> 62 U/mL	9	28	0.001
CEA
≤ 5 U/mL	22	20
> 5 U/mL	8	19	0.066
Fibrinogen
≤ 4.0 g/L	21	29
> 4.0 g/L	9	10	0.688
NLR
≤ 5	26	33
> 5	4	6	0.811
PLR
≤ 150	17	19
> 150	13	20	0.513
PNI
> 45	22	20
≤ 45	8	19	0.066
Platelet
≤ 250 × 109/L	26	27
> 250 × 109/L	4	12	0.097
Albumin
> 35 g/L	23	19
≤ 35 g/L	7	20	0.021
Diabetes mellitus
No	17	22
Yes	13	17	0.983
Pancreatitis
No	22	20
Yes	8	19	0.066