Is an osteoprotegerin gene polymorphism associated with an increased risk of hip fracture in Japanese patients with rheumatoid arthritis : results from the IORRA Observational Cohort Study?
Our results indicate that an OPG allele is associated with increased risk for hip fracture in Japanese patients with RA.
This study offers an alternative method of pathologically classifying cases of AD. Further studies may derive additional genetic, environmental or clinical factors which associate with, or may be responsible for, these varying pathological presentations of AD.