#Aspirin and #fracture risk: a systematic review and exploratory meta-analysis of observational studies

This review provides insights into the potential for aspirin to preserve bone mineral density (BMD) and reduce fracture risk, building knowledge of the risk-benefit profile of aspirin.

..Aspirin use was associated with a 17% lower odds for any fracture (OR 0.83, 95% CI 0.70 to 0.99; I2=71%; six studies; n=511 390). Aspirin was associated with a higher total hip BMD for women (SMD 0.03, 95% CI −0.02 to 0.07; I2=0%; three studies; n=9686) and men (SMD 0.06, 95% CI −0.02 to 0.13, I2=0%; two studies; n=4137) although these associations were not significant. Similar results were observed for lumbar spine BMD in women (SMD 0.03, 95% CI −0.03 to 0.09; I2=34%; four studies; n=11 330) and men (SMD 0.08; 95% CI −0.01 to 0.18; one study; n=432).

Conclusions While the benefits of reduced fracture risk and higher BMD from aspirin use may be modest for individuals, if confirmed in prospective controlled trials, they may confer a large population benefit given the common use of aspirin in older people.

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