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Changing trends in hepatitis C-related mortality in the United States, 1995-2004
Matthew Wise1, Stephanie Bialek, Lyn Finelli
1Department of Epidemiology, School of Public Health, University of California, Los Angeles, CA 90095-1772, USA. mawise@ph.lacounty.gov
Insights
Hepatitis C mortality in the US increased 123% from 1995-2004, especially in older males and minority groups. Despite recent declines, rates continue to rise in those aged 55-64, highlighting hepatitis C as a significant cause of premature death.
Area of Science:
- Hepatology
- Public Health
- Epidemiology
Background:
- Hepatitis C virus (HCV) infection poses a growing disease burden in the US.
- Increasing numbers of individuals with long-standing chronic hepatitis C infections are predicted to drive future mortality.
- Understanding trends in hepatitis C-related deaths is crucial for public health interventions.
Purpose of the Study:
- To analyze hepatitis C mortality rates in the United States from 1995 to 2004.
- To identify demographic groups disproportionately affected by hepatitis C mortality.
- To assess the impact of hepatitis C on potential years of life lost.
Main Methods:
- Analysis of US Census and multiple-cause-of-death data from 1995-2004.
- Inclusion criteria for hepatitis C-related deaths: HCV as underlying cause, chronic liver disease with HCV as contributing cause, or HIV with chronic liver disease and HCV as contributing causes.
- Calculation of mortality rates per 100,000 persons and years of potential life lost.
Main Results:
- A total of 56,409 hepatitis C-related deaths were identified between 1995 and 2004.
- Overall mortality rates increased by 123%, from 1.09 to 2.44 per 100,000 persons.
- Increases were higher among males, non-Hispanic blacks, and Native Americans; rates continued to rise in those aged 55-64, despite a slight overall decline after 2002.
Conclusions:
- Hepatitis C mortality has significantly increased since 1995.
- Hepatitis C remains an important cause of premature mortality in the United States.
- Targeted interventions are needed, particularly for aging populations and specific demographic groups experiencing rising mortality rates.
Unlabelled:
The disease burden and mortality from hepatitis C are predicted to increase in the United States as the number of persons with long-standing chronic infection grows. We analyzed hepatitis C mortality rates derived from US Census and multiple-cause-of-death data for 1995-2004. Deaths were considered hepatitis C-related if: (1) hepatitis C was the underlying cause of death, (2) chronic liver disease was the underlying cause and hepatitis C was a contributing cause, or (3) human immunodeficiency virus was the underlying cause and chronic liver disease and hepatitis C were contributing causes. A total of 56,409 hepatitis C-related deaths were identified. Mortality rates increased 123% during the study period (1.09 per 100,000 persons to 2.44 per 100,000), but average annual increases were smaller during 2000-2004 than 1995-1999. After peaking in 2002 (2.57 per 100,000), overall rates declined slightly, but continued to increase among persons aged 55-64 years. Overall increases were greater among males (144%) than females (81%) and among non-Hispanic blacks (170%) and Native Americans (241%) compared to non-Hispanic whites (124%) and Hispanics (84%). The 7,427 hepatitis C deaths in 2004 (mean age: 55 years), corresponded to 148,611 years of potential life lost. The highest mortality rates in 2004 were observed among males, persons aged 45-54 and 55-64 years, Hispanics, non-Hispanic blacks, and non-Hispanic Native American/Alaska Natives.
Conclusion:
Overall, hepatitis C mortality has increased substantially since 1995. Despite small declines in recent years, rates have continued to increase among persons aged 55-64 years. Hepatitis C is an important cause of premature mortality.
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