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- Title
Human Pegivirus Infection and Lymphoma Risk: A Systematic Review and Meta-analysis.
- Authors
Fama, Angelo; Larson, Melissa C; Link, Brian K; Habermann, Thomas M; Feldman, Andrew L; Call, Timothy G; Ansell, Stephen M; Liebow, Mark; Xiang, Jinhua; Maurer, Matthew J; Slager, Susan L; Nowakowski, Grzegorz S; Stapleton, Jack T; Cerhan, James R
- Abstract
Background Human pegivirus (HPgV) is a single-strand RNA virus belonging to the Flaviviridae. Although no definitive association between HPgV infection and disease has been identified, previous studies have suggested an association of HPgV viremia with risk of lymphomas. Methods We conducted a systematic review and meta-analysis, including 1 cohort study and 14 case-control studies, assessing the association of HPgV viremia with adult lymphomas. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated using a random-effects model, overall and by geographic region and lymphoma subtype. Results The overall OR for lymphoma was 2.85 (95% CI, 1.98–4.11), with statistically significantly elevated ORs observed in 8 of 15 studies. There was a small amount of heterogeneity among studies (I 2 = 28.9%; Q = 18.27, P =.16), and the funnel plot provided no evidence for publication bias. The strongest association with lymphoma risk was observed for studies from Southern Europe (OR, 5.68 [95% CI, 1.98–16.3]), whereas weaker ORs (with 95% CIs) were observed for studies from North America (2.24 [1.76–2.85]), Northern Europe (2.90 [.45–18.7), and the Middle East (2.51 [.87–7.27]), but all of similar magnitude. Participants with HPgV viremia had statistically significantly increased risks (OR [95% CI]) for developing diffuse large B-cell (3.29 [1.63–6.62]), follicular (3.01 [1.95–4.63]), marginal zone (1.90 [1.13–3.18]), and T-cell (2.11 [1.17–3.89]) lymphomas, while the risk for Hodgkin lymphoma (3.53 [.48–25.9]) and chronic lymphocytic leukemia (1.45 [.45–4.66]) were increased but did not achieve statistical significance. Conclusions This meta-analysis supports a positive association of HPgV viremia with lymphoma risk, overall and for the major lymphoma subtypes.
- Subjects
LYMPHOMA risk factors; META-analysis; RISK assessment; SYSTEMATIC reviews; FLAVIVIRAL diseases; VIREMIA; DISEASE complications
- Publication
Clinical Infectious Diseases, 2020, Vol 71, Issue 5, p1221
- ISSN
1058-4838
- Publication type
Article
- DOI
10.1093/cid/ciz940