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Knee OA and Risk of Falls Among Older Adults
Arthritis Care Res; ePub 2018 Aug 21; Barbour, et al
Knee symptomatic radiographic osteoarthritis (sROA) was independently associated with an increased risk of injurious falls in older men, but not in older women, according to a recent study. Using data from the Health ABC Knee Osteoarthritis Substudy, a community‐based study of white and black older adults, researchers tested associations between knee OA status and the risk of injurious falls among 734 participants with a mean (SD) age of 74.7 (2.9) years. Knee ROA was defined as having a Kellgren‐Lawrence grade of ≥2 in at least 1 knee. Knee sROA was defined as having both ROA and pain symptoms in the same knee. They found:
- The mean (SD) follow‐up time was 6.59 (3.12) years.
- Of total participants, 255 (34.7%) had an incident injurious fall over the entire study period.
- In the multivariate model, compared with those without ROA or pain, individuals with sROA (HR=1.09) did not have a significantly increased risk of injurious falls.
- Compared with men without ROA or pain, men with sROA (HR=2.57) had a significantly higher risk of injurious falls.
- No associations were found for women or by injurious fall type.
Barbour KE, Sagawa N, Boudreau RM, et al. Knee osteoarthritis and the risk of medically treated injurious falls among older adults: The Health ABC Study. [Published online ahead of print August 21, 2018]. Arthritis Care Res. doi:10.1002/acr.23725.