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Meta-Analysis
. 2015 Dec;72(12):880-8.
doi: 10.1136/oemed-2015-102879. Epub 2015 Oct 5.

The prevalence of hepatitis C among healthcare workers: a systematic review and meta-analysis

Claudia Westermann  1 , Claudia Peters  1 , Birgitte Lisiak  2 , Monica Lamberti  3 , Albert Nienhaus  4
Affiliations
Meta-Analysis

The prevalence of hepatitis C among healthcare workers: a systematic review and meta-analysis

Claudia Westermann et al. Occup Environ Med. 2015 Dec.

Abstract

The aim of this study was to estimate the prevalence of viral hepatitis C (HCV) infection among healthcare workers (HCWs) compared to the general population. A systematic search for the years 1989-2014 was conducted in the Medline, Embase and Cochrane databases. Studies on hepatitis C in HCWs were included if they incorporated either a control group or reference data for the general population. The study quality was classified as high, moderate or low. Pooled effect estimates were calculated to determine the odds of occupational infection. Heterogeneity between studies was analysed using the χ(2) test (p<0.10) and quantified using the I(2) test. 57 studies met our criteria for inclusion and 44 were included in the meta-analysis. Analysis of high and moderate quality studies showed a significantly increased OR for HCV infection in HCWs relative to control populations, with a value of 1.6 (95% CI 1.03 to 2.42). Stratification by study region gave an OR of 2.1 in low prevalence countries; while stratification by occupational groups gave an increased prevalence for medical (OR 2.2) and for laboratory staff (OR 2.2). The OR for professionals at high risk of blood contact was 2.7. The pooled analysis indicates that the prevalence of infection is significantly higher in HCWs than in the general population. The highest prevalence was observed among medical and laboratory staff. Prospective studies that focus on HCW-specific activity and personal risk factors for HCV infection are needed.

Keywords: Healthcare workers < Materials; exposures and occupational groups.

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Figures

Figure 1
Figure 1
Selection process. HCWs, health care workers.
Figure 2
Figure 2
Forest plots of high and moderate quality studies on hepatitis C among healthcare workers. HCWs, health care workers.
See this image and copyright information in PMC

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