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. 2016 Dec;24(6):390-393.
doi: 10.5455/aim.2016.24.390-393.

Prevalence of Oral Lichen Planus in Diabetes Mellitus: a Meta-Analysis Study

Hamid Reza Mozaffari  1 , Roohollah Sharifi  2 , Masoud Sadeghi  3
Affiliations

Prevalence of Oral Lichen Planus in Diabetes Mellitus: a Meta-Analysis Study

Hamid Reza Mozaffari et al. Acta Inform Med. 2016 Dec.

Abstract

Background: Oral lichen planus (OLP) is associated with various other systemic conditions such as hypertension, diabetes mellitus (DM). This study evaluated the prevalence of OLP in DM patients compared with non-diabetic control subjects in a meta-analysis study.

Methods: In this study from January 1973 to August 2016, we searched the studies in Web of Science, Medline/PubMed, Scopus, Science direct, SID (Scientific Information Database), Cochrane and Embase databases. Strategy search was the Medical Subject Heading (MeSH) term oral lichen planus or oral mucosa combined with diabetes in PubMed and this search in other databases. Heterogeneity between estimates was evaluated by the Q and I2 statistic. Also, publication bias was assessed through funnel plot analysis with the Kendall's and Egger's tests.

Results: From 831 studies were identified with different search strategies, 11 studies met the criteria to be included in meta-analysis (11 case-control studies). The overall prevalence of OLP in 11 studies with 4937 DM patients and 3698 control subjectswas 1.5% and 0.75%, respectively. In this meta-analysis, the OR in prevalence of OLP in DM patients compared with control subjects was 1.584 (95%CI1.013-2.477; P=0.044) with a low level of heterogeneity (I2 = 0%) that the result showed the prevalence of OLP in DM patients is significantly more than control subjects.

Conclusions: This meta-analysis study showed an association between OLP with DM, whereas this association was no significant in previous studies, it was probably because different selecting of age, sex, type of DM, medications and criteria. Totally, the meta-analysis showed the risk of OLP in DM was higher compared with control subjects.

Keywords: Diabetes mellitus; Meta-analysis study; Oral lichen planus.

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Conflict of interest statement

• Conflict of interest: none declared

Figures

Figure 1
Figure 1
Flow diagram of study
Figure 2
Figure 2
Forest plot of odds ratio of prevalence of oral lichen planus (95% confidence intervals) in diabetes mellitus patients compared with control subjects (Favours A: Patients; Favours B: Controls)
Figure 3
Figure 3
Funnel plot of the included studies in the meta-analysis investigating the prevalence of lichen planus in diabetes mellitus patients
See this image and copyright information in PMC

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