The study findings indicate that BMI exerts a major causal effect on the risk of OA at weight-bearing joints, but not at the hand. Evidence of causality of all OA, knee OA and hip OA was also observed for high femoral neck BMD and low systolic BP. However, the researchers found no evidence of causality for other metabolic factors or CRP level.
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Excerpted and adapted from:
Funck-Brentano T, Nethander M, Movérare-Skrtic S, et al. Causal factors for knee, hip, and hand osteoarthritis: A Mendelian randomization study in the UK biobank. Arthritis Rheumatol. 2019 Oct;71(10).