Clinical Edge

Summaries of Must-Read Clinical Literature, Guidelines, and FDA Actions

Oral Lichen Planus Prevalence Estimates Go Global

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.