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Descriptive epidemiology of hepatitis C in individuals referred for specialized HCV care in Newfoundland and Labrador, 1996-2014.

Background
Despite growing awareness of the significant burden of disease caused by hepatitis C virus (HCV) infection worldwide, understanding of the epidemiology and demographic distribution of HCV infection in Canada, specifically in Atlantic Canada, is limited. Currently, data on the demographic and clinical profile of HCV-infected individuals in Newfoundland and Labrador is limited. The aim of this study is to address this knowledge gap.


Methods
A retrospective cohort study of HCV-positive individuals referred for specialized care in St. John's, Newfoundland, between 1996 and 2014, was conducted. Descriptive data were obtained through chart review and access to a database consisting of individuals referred for specialized HCV care in St. John's.


Results
During the study period, 767 individuals were referred for specialized HCV care, of whom 714 were included in our analysis. These individuals represent 57.5% of HCV-positive cases identified by the province's public health department during the same time frame. HCV infection was more common among men (68.2%) and urban dwellers (74.8%). The majority of cases were HCV genotype 1 (52.1%). Intravenous and intranasal drug use were the most common self-reported risk factors for HCV transmission. High loss-to-follow-up rates were found among those referred from the province's correctional system.


Conclusions
This study provides important insights into the demographic and clinical profile of individuals referred for HCV-related care in Newfoundland and Labrador and fills a gap in the current understanding of HCV-positive individuals in this Atlantic province. These findings can help inform future directions for HCV-related health policy, resource allocation, and clinical care initiatives in Newfoundland and Labrador and across Canada.