• Tsung-Hsing Hung, Chih-Ming Liang, Chien-Ning Hsu, Wei-Chen Tai, Kai-Lung Tsai, Ming-Kun Ku, Jiunn-Wei Wang, Kuo-Lun Tseng, Lan-Ting Yuan, Seng-Howe Nguang, Shih-Cheng Yang, Cheng-Kun Wu, Pin-I Hsu, Deng-Chyang Wu, and Seng-Kee Chuah.
• Division of Gastroenterology, Department of Internal Medicine, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi, Taiwan.
• Plos One. 2017 Jan 1; 12 (7): e0181858.

AbstractHepatic encephalopathy, ascites, and variceal bleeding are the three major complications of cirrhosis. It is well known that cirrhosis is the most important risk factor of hepatocellular carcinoma (HCC). However, little is known about whether the severity of liver cirrhosis has an effect on the incidence of HCC. This population-based cohort study aimed to explore the association between complicated cirrhosis and HCC, and identify the risk factors of HCC in patients with complicated cirrhosis. Data of the years 1997-2011 were extracted from the National Health Insurance Research Database of Taiwan. A total of 2568 patients with complicated cirrhosis without HCC at baseline were enrolled. After propensity score matching, another 2568 patients with non-complicated cirrhosis were included. Hazards Cox regression analysis by using a competing risk regression model to control for possible confounding factors was utilized to estimate the association of the complications of liver cirrhosis with the risk of HCC. We observed by using competing risk analysis that the adjusted hazard ratio (HR) for developing HCC during the follow-up period after the initial hospitalization was higher among the patients with baseline complicated cirrhosis than in those with uncomplicated cirrhosis (HR, 1.23; 95% confidence interval, CI, 1.10-1.37, p<0.001). Additionally, older patients (HR, 1.01; 95% CI, 1.01-1.02, p<0.001), males (HR, 0.84; 95% CI, 0.74-0.96, p = 0.009), and patients with alcohol-related cirrhosis (HR, 1.93; 95% CI, 1.65-2.26, p<0.001) had a statistically significant difference in the incidence of HCC. In conclusion, complicated liver cirrhosis is associated with a higher risk of HCC in Taiwan compared with cirrhosis without complications.

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