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Table 5 Clinicopathologic characteristics

From: Perineural invasion as a prognostic factor for intrahepatic cholangiocarcinoma after curative resection and a potential indication for postoperative chemotherapy: a retrospective cohort study

Characteristic

Without postoperative chemotherapy

(n = 112)

With postoperative chemotherapy

(n = 15)

P

Age (years)

56.19 ± 9.79

55.13 ± 7.94

0.690

Male

59 (52.7)

10 (66.7)

0.307

Location

  

0.203

Hilar

18 (16.1)

5 (33.3)

 

Peripheral

94 (83.9)

10 (66.7)

 

HBsAg

  

0.494

 Negative

81 (72.3)

9 (60.0)

 

 Positive

31 (27.7)

6 (40.0)

 

Tumor size (cm)

  

0.110

  ≤ 5

43 (38.4)

9 (60.0)

 

  > 5

69 (61.6)

6 (40.0)

 

Multiple tumor

  

0.315

 No

79 (70.5)

13 (86.7)

 

 Yes

33 (29.5)

2 (13.3)

 

Vascular invasion

  

0.538

 No

69 (61.6)

8 (53.3)

 

 Yes

43 (38.4)

7 (46.7)

 

Capsular invasion

  

0.371

 No

61 (54.5)

10 (66.7)

 

 Yes

51 (45.5)

5 (33.3)

 

Visceral invasion

  

0.127

 No

90 (80.4)

15 (100.0)

 

 Yes

22 (19.6)

0 (0.0)

 

AJCC T stage

  

0.250

 1 and 2

57 (50.9)

10 (66.7)

 

 3 and 4

55 (49.1)

5 (33.3)

 

AJCC N stage

  

0.967

 0

74 (66.1)

10 (66.7)

 

 1

25 (22.3)

3 (20.0)

 

 x

13 (11.6)

2 (13.3)

 

AJCC tumor stage

  

0.364

 I

28 (25.0)

6 (40.0)

 

 II

18 (16.1)

1 (6.7)

 

 III

66 (58.9)

8 (53.3)

 

Tumor differentiation

  

0.643

 Well to moderate

38 (33.9)

6 (40.0)

 

 Poor to undifferentiated

74 (66.1)

9 (60.0)

 

Liver cirrhosis

  

0.450

 No

71 (63.4)

11 (73.3)

 

 Yes

41 (36.6)

4 (26.7)

 

ALT (U/L)

  

0.163

  ≤ 40

73 (65.2)

7 (46.7)

 

  > 40

39 (34.8)

8 (53.3)

 

AST (U/L)

  

0.297

  ≤ 40

75 (67.0)

8 (53.3)

 

  > 40

37 (33.0)

7 (46.7)

 

PLT (×10^9/L)

232.32 ± 94.43

208.60 ± 87.96

0.359

CEA (ng/ml)

  

0.859

  ≤ 5

83 (74.1)

12 (80.0)

 

  > 5

29 (25.9)

3 (20.0)

 

CA19–9 (U/ml)

  

0.482

  ≤ 200

64 (57.1)

10 (66.7)

 

  > 200

48 (42.9)

5 (33.3)

 

CA242 (U/ml)

  

0.910

  ≤ 20

58 (51.8)

8 (53.3)

 

  > 20

54 (48.2)

7 (46.7)

 

Child-Pugh score

  

0.228

 A

99 (88.4)

11 (73.3)

 

 B

13 (11.6)

4 (26.7)

 

Perineural invasion

  

0.482

 No

64 (57.1)

10 (66.7)

 

 Yes

48 (42.9)

5 (33.3)

 

Post-recurrence anti-tumor therapy

  

0.489

 Yes

72 (64.3)

11 (73.3)

 

 No

40 (35.7)

4 (26.7)

 
  1. Data are expressed as mean ± standard deviation or n (%)
  2. PNI perineural invasion, HBsAg hepatitis B surface antigen, AJCC American Joint Committee on Cancer, ALT Alanine aminotransferase, AST Aspartate aminotransferase, PLT Blood platelet, CEA Carcinoembryonic antigen