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Table 1 Patient and tumour characteristics

From: Preoperatively elevated RDW-SD and RDW-CV predict favorable survival in intrahepatic cholangiocarcinoma patients after curative resection

Item

All patients

(n = 157)(%)

RDW-SD > 40.2 fl VS RDW-SD ≤ 40.2 fl

RDW-CV > 12.6% VS RDW-CV ≤ 12.6%

SCC = 0 VS SCC = 1 VS SCC = 2

p

p

p

Age ≥ 60 years

70 (44.6)

0.056

0.494

0.029

Male

87 (55.4)

0.900

0.977

0.882

BMI ≥ 24 kg/m2

94 (60.3)

0.355

0.187

0.392

ASA score 3–4

13 (8.3)

0.027

0.190

0.099

Cirrhosis

57 (36.3)

0.790

0.020

0.279

HBsAg ( +)

34 (21.7)

0.294

0.758

0.906

T3-T4 stage

33 (21.0)

0.768

0.005

0.008

Lymphnode metastasis

42 (26.8)

0.971

0.736

0.781

Tumor size ≥ 5 cm

86 (54.8)

0.314

0.873

0.854

Multiple tumors

30 (19.1)

0.357

0.213

0.067

Tumor location (Central tumor)

78 (49.7)

0.573

0.580

0.994

Tumor location (right lobe)

77 (49.0)

0.970

0.785

0.721

Poorly differentiation

91 (58.0)

0.089

0.515

0.275

Preoperative CA19-9 > 27 U/mL

82 (52.2)

0.333

0.279

0.374

Preoperative CEA > 5 ng/mL

35 (22.3)

0.174

0.142

0.202

RDW-SD > 40.2 fl

104 (66.2)

–

 < 0.001

–

RDW-CV > 12.6%

63 (40.1)

 < 0.001

–

–

SCC = 0

46 (29.3)

–

–

–

SCC = 1

55 (35.0)

–

–

–

SCC = 2

56 (35.7)

–

–

–

ALB ≥ 40 g/L

124 (79.0)

0.375

0.133

0.283

TBIL > 21 umol/L

18 (11.5)

0.968

0.015

0.169

AST > 40 U/L

15 (9.6)

0.591

0.587

0.179

ALT > 50U/L

14 (8.9)

0.053

0.724

0.024

Operation time ≥ 230 min

79 (50.3)

0.027

0.896

0.052

Blood loss ≥ 300 ml

77 (49.0)

0.921

0.297

0.827

Major liver resection

113 (72.0)

0.667

0.548

0.812

Post-operative complications

92 (58.6)

0.164

0.720

0.353

Preoperative therapy

10 (6.4)

0.101

0.008

0.010

Adjuvant therapy

66 (42.0)

0.924

0.407

0.105