Key clinical point: Oral lichen planus is more common among women and those aged 40 years and over.
Major finding: Global prevalence of oral lichen planus is 0.89% for the general population and 0.98% among clinical patients.
Study details: Systematic review and meta-analysis of 46 studies involving 654,956 patients.
Disclosures: The study was funded by the First-Class Discipline Construction Foundation of Guangzhou University of Chinese Medicine, the Young Top Talent Project of Scientific and Technological Innovation in Special Support Plan for Training High-level Talents, and the Youth Research and Cultivation Project of Guangzhou University of Chinese Medicine. The investigators did not report any conflicts of interest.
C Li et al. JAMA Dermatol. 2020 Jan 2. doi: 10.1001/jamadermatol.2019.3797.