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

Table 1

Patient demographics of CCA patients.

Variables	Median (interquartile range) or number (%)
Gender (female/male)	68 (57.1)/51 (42.9)
Age (years)	60 (33-80)
ECOG (=2/<2)	108 (90.8)/11 (9.2)
Tumor location (iCC/pCC/dCC)	45 (37.8)/36 (30.3)/38 (31.9)
Lymphatic metastasis (no/yes)	101 (84.9)/18 (15.1)
Surgical margin (negative/positive)	80 (67.2)/39 (32.8)
Tumor size (mm)	35 (10-120)
Differentiation (poor/moderated/well)	44 (37.0)/63 (52.9)/12 (10.1)
Vascular invasion (no/yes)	111 (93.3)/8 (6.7)
Nerve invasion (no/yes)	101 (84.9)/18 (15.1)
PLR	157.25 (49.4-623.1)
CA199 (U/ml)	161.88 (4.8-100.0)
TBIL (μmol/L)	114.99 (5.2-536.9)

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.