Purpose: To scope the scientific literature and analyze the influence of bony risk factors for degenerative full-thickness primary rotator cuff tear.
Methods: A systematic review of databases PubMed, Scopus, EMBASE, and Cochrane Library was performed up to June 30, 2018. Meta-analysis was performed with mean difference (MD) or risk ratio for degenerative full-thickness rotator cuff injury, and when there were ≥3 studies for the considered potential risk factor.