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Evolution of the prevalence of hepatitis C virus infection and hepatitis C virus genotype distribution in human immunodeficiency virus-infected patients in Italy between 1997 and 2015.

Rossetti, B; Bai, F; Tavelli, A; Galli, M; Antinori, A; Castelli, F; Pellizzer, G; ... ICONA Foundation study group; + view all (2017) Evolution of the prevalence of hepatitis C virus infection and hepatitis C virus genotype distribution in human immunodeficiency virus-infected patients in Italy between 1997 and 2015. Clin Microbiol Infect 10.1016/j.cmi.2017.07.021. Green open access

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Abstract

OBJECTIVES: To analyse the variation of hepatitis C virus (HCV) prevalence and genotype distribution and their determinants in people living with human immunodeficiency virus (HIV) who entered care between 1997 and 2015. METHODS: HIV-infected patients enrolled in ICONA who were tested for HCV antibodies (HCV-Ab) were included. RESULTS: Overall 3407 of 12 135 (28.1%) were HCV-Ab+; and 735 of 12 135 (6.1%) were HBsAg+. Among patients whose HCV genotype was known, the most represented were genotypes 1 and 3. The prevalence of HCV infection decreased from 49.2% (2565/5217) during 1997-2002 to 10.2% (556/5466) during 2009-2015. The frequency of genotype 1a increased from 29.0% (264/911) to 43.0% (129/300), whereas genotype 3 decreased from 38.5% (351/911) to 27.0% (81/300). Independent predictors of HCV-Ab+ status were being female (adjusted OR (AOR) 1.23, 95% CI 1.04-1.50, p = 0.01), risk category (versus injecting drug users: men who have sex with men AOR 0.01, 95% CI 0.01-0.01, p <0.001; heterosexuals AOR 0.01, 95% CI 0.01-0.01, p <0.001; other/unknown AOR 0.02, 95% CI 0.01-0.02, p <0.001), being cared for in Central Italy (versus being cared for in Northern Italy: AOR 0.85, 95% CI 0.73-0.98, p <0.001), being Italian-born (AOR 1.44, 95% CI 1.16-1.80, p = 0.001) and being enrolled in less recent calendar years (versus 1997-2002: 2009-2015 AOR 0.23, 95% CI 0.19-0.27, p <0.001; 2003-2008 AOR 0.49, 95% CI 0.41-0.61, p <0.001). CONCLUSIONS: The prevalence of HCV infection in HIV-infected patients entering into care in Italy significantly declined in more recent calendar years. After adjusting for risk factors and calendar years, HCV co-infection was more frequent in females and in those born in Italy.

Type: Article
Title: Evolution of the prevalence of hepatitis C virus infection and hepatitis C virus genotype distribution in human immunodeficiency virus-infected patients in Italy between 1997 and 2015.
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.cmi.2017.07.021
Publisher version: https://doi.org/10.1016/j.cmi.2017.07.021
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Hepatitis C virus genotype distribution, Hepatitis C virus prevalence, Hepatitis C virus/human immunodeficiency virus co-infection, Hepatitis C virus/human immunodeficiency virus co-infection Italian epidemiology, Hepatitis C virus/human immunodeficiency virus co-infection predictors
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute for Global Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute for Global Health > Infection and Population Health
URI: https://discovery.ucl.ac.uk/id/eprint/10044426
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