Mortality in Patients with Cleared Hepatitis C Virus Infection
Author Information
Author(s): Lars Haukali Omland, Peer Brehm Christensen, Henrik Krarup, Peter Jepsen, Nina Weis, Henrik Toft Sørensen, Niels Obel
Primary Institution: Copenhagen University Hospital, Rigshospitalet, Denmark
Hypothesis
Does mortality in patients who have cleared their HCV infection differ from that of the general population based on age, substance abuse, and comorbidity?
Conclusion
Patients aged 40–69 years with cleared HCV-infection have similar mortality to those without HCV if they have no substance abuse or comorbidity.
Supporting Evidence
- Patients aged 20–39 years with cleared HCV had a 10-year survival of 93%, compared to 99% in the general population.
- Substance abuse and comorbidity significantly decreased survival rates.
- The study included 2,320 patients with cleared HCV-infection from a nationwide cohort.
Takeaway
People who have cleared hepatitis C can live just as long as those who never had it, but if they have problems like drug abuse or other illnesses, they might not live as long.
Methodology
The study analyzed 10-year survival rates of patients with cleared HCV-infection compared to matched individuals from the general population, using Cox regression analysis.
Potential Biases
Potential misclassification of substance abuse and comorbidities due to reliance on registry data.
Limitations
The study relied on national registries for data on substance abuse and comorbidities, which may lead to misclassification.
Participant Demographics
Median age was 41 years; 47% were injection drug users, 11% had alcohol abuse, and 16% had comorbidity.
Statistical Information
P-Value
5.7
Confidence Interval
95% CI: 93%–97%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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