Preoperative Serum Platelet-Lymphocyte Ratio as a Prognostic Factor in Cholangiocarcinoma Patients after Radical Resection: A Retrospective Analysis of 119 Patients

Table 2

Correlation between preoperative serum PLR and clinicopathological characteristics in CCA ().

Variable		PLR
		≤157.25 ()	>157.25 ()	value
Gender				0.019
Female	68	28	40
Male	51	32	19
Age (years)				0.517
<60	63	30	33
≥60	56	30	26
ECOG				0.362
<2	11	4	7
=2	108	56	52
Tumor location				0.436
iCC	45	25	20
pCC	36	15	21
dCC	38	20	18
Lymphatic metastasis				0.741
Negative	101	54	46
Positive	18	6	13
Surgical margin				0.026
Negative	80	46	34
Positive	39	14	25
Tumor size (mm)				0.143
≤40	78	46	38
>40	41	14	21
Differentiation				0.094
Poor	44	17	25
Moderated	63	34	32
Well	12	9	3
Vascular invasion				0.980
No	111	56	55
Yes	8	4	4
Nerve invasion				0.636
No	101	50	51
Yes	18	10	8
CA199 (U/ml)				0.954
≤38	34	17	17
>38	85	43	42
TBIL (μmol/L)				0.784
≤115	60	31	29
>115	59	29	30

Abbreviations: PLR: platelet-lymphocyte ratio; ECOG: Eastern Cooperative Oncology Group; iCC: intrahepatic cholangiocarcinoma; pCC: perihilar cholangiocarcinoma; dCC: distal cholangiocarcinoma; CA199: carbohydrate antigen 19-9; TBIL: total bilirubin; HR: hazard ratio; CI: confidence; was considered significant.