Changing Trends in Etiology-based Annual Mortality From Chronic Liver Disease, From 2007 Through 2016.
Changing Trends in Etiology-based Annual Mortality From Chronic Liver Disease, From 2007 Through 2016. Gastroenterology 2018Abstract
BACKGROUND & AIMS: Although treatment of hepatitis C virus (HCV) infection has improved, the prevalence of alcoholic liver disease (ALD) has been increasing, so we need an updated estimate of the burden and etiology-specific mortality of chronic liver diseases. We studied the trends in age-standardized mortality of chronic liver diseases among adults 20 years or older in the United States (US), from 2007 through 2016.METHODS: We collected data from the US Census and National Center for Health Statistics mortality records, identifying individuals with HCV infection, ALD, nonalcoholic fatty liver disease (NAFLD), or hepatitis B virus (HBV) infection using ICD-10 codes. We obtained temporal mortality rate patterns using joinpoint trend analysis with estimates of annual percentage change (APC).RESULTS: Age-standardized HCV-related mortality increased from 7.17/100,000 persons in 2007 to 8.14/100,000 persons in 2013, followed by a marked decrease in the time period at which patients began receiving treatment with direct-acting antiviral agents (from 8.09/100,000 persons in 2014 to 7.15/100,000 persons in 2016). The APC in HCV mortality increased 2.0%/year from 2007 through 2014, but decreased 6.4%/year from 2014 through 2016. In contrast, age-standardized mortality increased for ALD (APC of 2.3% from 2007 through 2013 and APC of 5.5% from 2013 through 2016) and NAFLD (APC of 6.1% from 2007 through 2013 and APC of 11.3% from 2013 through 2016). HBV-related mortality decreased steadily from 2007 through 2016, with an average APC of -2.1% (95% CI, -3.0 to -1.2). Etiology-based mortality in minority populations were higher. HCV-related mortality (per 100,000 persons) was highest among non-Hispanic blacks (10.28) and whites (6.92), followed by Hispanics (5.94), and lowest among non-Hispanic Asians (2.33). Non-Hispanic Asians had higher mortality for HBV infection (2.82 per 100,000 vs 1.02 for non-Hispanic blacks, and 0.47 for non-Hispanic whites).CONCLUSION: In our population-based analysis of chronic liver disease mortality in the US, the decline in HCV-related mortality coincided with the introduction of direct-acting antiviral therapies, while the mortality from ALD and NAFLD increased during the same period. Minorities in the US have disproportionately higher chronic liver disease-related mortality.
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