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Table 1 Clinical and pathological characteristics of patients with iCCA

From: Preoperative subcategorization based on magnetic resonance imaging in intrahepatic cholangiocarcinoma

Characteristics

All (n = 93)

Subtype

Small duct type (n = 63)

Large duct type (n = 30)

p value

Age (years) a

61.2 ± 11.7

59.6 ± 11.9

64.6 ± 10.8

0.053

Sex (male)

50 (53.8%)

36 (57.1%)

14 (46.7%)

0.344

HBV infection

33 (35.5%)

27 (42.9%)

6 (20.0%)

0.031*

AFP b

2.5 (1.8,3.5)

2.3 (1.8,3.4)

2.8 (1.6,4.1)

0.348

CA19-9 b

26.8 (10.8115.5)

19.9 (9.3,50.3)

94.5 (26.31997.5)

0.001*

Ki-67 index b

40 (30,70)

40 (30,60)

60 (30,80)

0.024*

MVI c

16 (18.6%)

8 (13.3%)

8 (30.8%)

0.056

Tumor size (cm)

   

0.886

  ≤ 2

5 (5.4%)

3 (4.8%)

2 (6.7%)

 

 2-5

43 (46.2%)

30 (47.6%)

13 (43.3%)

 

  ≥ 5

45 (48.4%)

30 (47.6%)

15 (50.0%)

 
  1. iCCA Intrahepatic cholangiocarcinoma, HBV Hepatitis B virus, AFP Alpha fetoprotein, CA 19-9 Carbohydrate antigen 19-9, MVI Microvascular invasion
  2. a Data are mean ± standard deviation; b data are median (interquartile range). Except where labeled, data are numbers of patients, with percentages in parentheses
  3. c data was available in 86 patients
  4. * p <  0.05