Tangkijvanich P, Thong-ngam D, Mahachai V, Theamboonlers A, Poovorawan Y. Role of serum interleukin-18 as a prognostic factor in patients with hepatocellular carcinoma. World J Gastroenterol 2007; 13(32): 4345-4349 [PMID: 17708609 DOI: 10.3748/wjg.v13.i32.4345]
Corresponding Author of This Article
Yong Poovorawan, Professor, MD, Viral Hepatitis Research Unit, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand. yong.p@chula.ac.th
Article-Type of This Article
Rapid Communication
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World J Gastroenterol. Aug 28, 2007; 13(32): 4345-4349 Published online Aug 28, 2007. doi: 10.3748/wjg.v13.i32.4345
Table 1 Clinical and demographic data of patients with HCC at the time of the diagnosis
Clinical features
mean ± SD or percentage (%)
Age (yr)
55.0 ± 13.6 (range, 26-89)
Sex (male:female)
60:10
Etiology
Alcohol dependence
9/70 (12.8)
HBsAg-positive
39/70 (55.7)
Anti-HCV-positive
7/70 (10)
HBsAg- and anti-HCV-positive
2/70 (2.9)
Unknown
13/70 (18.6)
Liver function test
Total bilirubin (mg%)
2.3 ± 3.5
Albumin (g/dL)
3.5 ± 0.7
AST (IU/L)
150.9 ± 130.4
ALT (IU/L)
82.9 ± 84.1
Alkaline phosphatase (IU/L)
512.0 ± 317.9
Prothrombin time (s)
14.4 ± 4.2
Child-Pugh classification
A
43/70 (61.4)
B
23/70 (32.9)
C
4/70 (5.7)
Okuda staging system
1
19/70 (27.2)
2
46/70 (65.7)
3
5/70 (7.1)
Venous invasion
17/70 (24.3)
Extrahepatic metastasis
12/70 (17.1)
AFP (≥ 400 ng/mL)
27/70 (38.6)
Table 2 Serum levels of interleukins in patients with HCC and in healthy controls
Healthy controls
HCC patients
P
(n = 10)
(n = 70)
IL-6 (pg/mL)
2.9 ± 13.4
31.2 ± 52.2
0.01
IL-12 (pg/mL)
1.5 ± 0.9
6.2 ± 9.6
0.03
IL-18 (pg/mL)
38.5 ± 22.4
104.6 ± 65.8
0.002
Table 3 Comparison of clinical data of patients with HCC according to serum IL-18 levels
Clinical features
IL-18 < 105 pg/mL
IL-18 ≥ 105 pg/mL
P
(n = 41)
(n = 29)
Age (yr )
54.9 ± 15.3
55.2 ± 11.1
NS
Sex (male:female)
34:7
26:3
NS
Liver function test
Total bilirubin (mg%)
1.4 ± 0.7
3.6 ± 4.9
0.03
Albumin (g/dL)
3.8 ± 0.7
3.3 ± 0.7
0.01
AST (IU/L)
136.8 ± 116.4
170.8 ± 148.3
NS
ALT (IU/L)
66.5 ± 39.2
106.2 ± 119.7
NS
Alkaline phosphatase (IU/L)
436.9 ± 275.2
612.1 ± 348.2
0.04
Prothrombin time (s)
13.9 ± 2.4
14.9 ± 5.8
NS
Okuda staging (1:2:3)
15:25:1
4:21:4
0.03
Venous invasion (+:-)
6:35
11:18
0.02
Extrahepatic metastasis (+:-)
6:35
6:29
NS
AFP (< 400 ng/mL: ≥ 400 ng/mL)
25:16
18:11
NS
Table 4 Multivariate analysis of prognostic factors of survival with Cox’s proportional hazards model
Factors
Risk ratio (95% CI)
P
High serum IL-18 level
1.86 (1.11-3.11)
0.019
Presence of venous invasion
2.09 (1.19-3.67)
0.010
No receiving therapy
5.01 (2.49-10.06)
< 0.001
Citation: Tangkijvanich P, Thong-ngam D, Mahachai V, Theamboonlers A, Poovorawan Y. Role of serum interleukin-18 as a prognostic factor in patients with hepatocellular carcinoma. World J Gastroenterol 2007; 13(32): 4345-4349