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Table 3 Comparative analysis of the clinicopathological factors according to the expression of GLUT-1

From: Preoperative metabolic tumor volume of intrahepatic cholangiocarcinoma measured by 18F-FDG-PET is associated with the KRAS mutation status and prognosis

Variables

GLUT-1

Low

n = 24 (48.0%)

GLUT-1

High

n = 26 (52.0%)

Univariable P*

Clinical factors

 Sex

  Male/female

13/11

16/10

0.775

 Age (years)

68 (32 − 83)

70 (46 − 81)

0.303

 CEA (ng/mL)

2.8 (0.4 − 8.8)

3.6 (0.7 − 133.1)

0.265

 CA19-9 (IU/mL)

38.7 (0.7 − 766)

65.5 (0.8 − 3055)

0.593

 SUVmax

4.5 (2.9 − 9.2)

7.0 (3.6 − 14.7)

< 0.001

 MTV (cm3)

8.4 (1.5 − 604.0)

72.0 (3.6 − 777.0)

0.008

 TLG (g)

20.2 (3.6 − 3201.2)

259.2 (27.0 − 3418.8)

< 0.001

 Tumor size (cm)

  Radiographical

3.5 (1.0 − 11.0)

4.0 (1.0 − 14.0)

0.108

Treatment factors

 R0 resection, n (%)

23 (95.8)

25 (96.2)

1.000

 Minor hepatectomy, n (%)

4 (16.7)

2 (7.7)

0.409

 Morbidity

  C-D class III/IV, n (%)

5 (20.8)

7 (26.9)

0.745

 Preoperative chemotherapy

  Present, n (%)

0

0

0

 Adjuvant chemotherapy

  Present, n (%)

17 (70.8)

13 (50.0)

0.159

Pathological factors

 Tumor differentiation

  Well/moderate, n (%)

22 (91.7)

21 (80.8)

0.420

  Poor, n (%)

2 (8.3)

5 (19.2)

 

 Vascular invasion

  Present, n (%)

18 (75.0)

16 (61.5)

0.372

 Bile duct invasion

  Present, n (%)

11 (45.8)

13 (50.0)

0.785

 Lymph node metastasis

  Present, n (%)

7 (29.2)

8 (30.8)

1.000

 Tumor number

  Multiple, n (%)

2 (8.3)

13 (50.0)

0.002

 Tumor size (cm) (pathological)

3.2 (1.0 − 10.8)

4.0 (1.2 − 14.0)

0.073

 AJCC stage

  IV, n (%)

8 (33.3)

17 (65.4)

0.047

  1. AJCC American joint committee on cancer/international union against cancer classification, CA 19-9 carbohydrate antigen 19-9, CEA carcinoembryonic antigen, MTV metabolic tumor volume, SUV max maximum standardized uptake value, GLUT-1 glucose transporter-1, R0 resection no macroscopic and microscopic tumor remaining, C-D, Clavien-Dindo classification system
  2. *Statistically significant differences (P < 0.05) are shown in italic