The Magnitude of the Association between Human Papillomavirus and Oral Lichen Planus: A Meta-Analysis

Junxian Ma, Jinshan Zhang, Yan Zhang, Tingting Lv and Jie Liu

PLOS ONE, 2016, vol. 11, issue 8, 1-12

Abstract: Background: The role of human papilloma virus (HPV) in oral lichen planus (OLP) is controversial. Objectives: The primary aim of the current study is to calculate the pooled risk estimates of HPV infection in OLP when compared with healthy controls. Methods: Bibliographic searches were conducted in three electronic databases. Articles on the association between HPV and OLP were selected from case-control studies or cross-sectional studies, following predefined criteria. Pooled data were analyzed by calculating odds ratios (OR) and 95% confidence interval (CI). Results: Of the 233 publications identified, 22 case-control studies met the inclusion criteria. Collectively, 835 cases and 734 controls were available for analysis. The summary estimate showed that OLP patients have significantly higher HPV prevalence (OR: 6.83; 95% CI: 4.15–11.27) than healthy controls. In subgroup analyses, the association of HPV and OLP varied significantly by geographic populations. The ORs ranged from 2.43 to 132.04. The correlation of HPV and erosive-atrophic oral lichen planus (EA-OLP) (OR: 9.34) was comparable and well above that of HPV and non-EA-OLP (OR: 4.32). Among HPV genotypes, HPV 16 showed an extremely strong association with OLP (OR: 11.27), and HPV 18 showed a relatively strong one (OR: 6.54). Conclusion: In conclusion, a significant association was found between HPV and OLP. The strength of the association varied across geographic populations, clinical types of OLP, and HPV genotypes. The results suggest that HPV might play an important causal role in OLP and in its malignant to progression.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0161339

DOI: 10.1371/journal.pone.0161339

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