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O1404 THE RISK OF HIP FRACTURE AFTER SUSTAINING A WRIST OR SPINE FRACTURE IN AGEING MEN AND WOMEN: A META-ANALYSIS OF PUBLISHED COHORT STUDIES



Abstract

Aims: The aim of our study was to compare relative risk of hip fracture after wrist or spine fracture, in both men and women. Methods: We performed a systematic literature review of cohort studies reported since 1982 that included low-trauma wrist or spine fracture as a risk factor for subsequent hip fracture among (white) women and men aged 50 years or older. A fixed effects meta-analysis was used to calculate a common relative risk (RR) with 95% confidence interval (95% CI). Results: Ten cohort studies (six from the U.S.A. and four from Europe) contributed to this meta-analysis. Among postmenopausal women, RRs for future hip fracture after wrist and spine fracture were 1.53 (95% CI 1.34–1.74, p< 0.001) and 2.22 (95% CI 1.95–2.52, p< 0.001), respectively. The RR was significantly higher after spine fracture than after wrist fracture (p< 0.001). Among ageing men, these RRs for future hip fracture were 3.26 (95% CI 2.08–5.11, p< 0.001) and 3.54 (95% CI 2.01–6.23, p< 0.001), respectively. In contrast to the observation in women, this difference was not statistically significant (p=0.82).

The RR was significantly higher in men than in women after wrist fracture (p=0.002), but not after spine fracture (p=0.12). Conclusions: Recent studies have shown consistent and strong prospective associations of hip fracture with previous wrist or spine fracture among postmenopausal women. The findings of our meta-analysis confirm these results and extend them to ageing men. In addition, our results indicate that wrist and spine fractures are equally important risk factors for future hip fracture in ageing men.

Theses abstracts were prepared by Professor Dr. Frantz Langlais. Correspondence should be addressed to him at EFORT Central Office, Freihofstrasse 22, CH-8700 Küsnacht, Switzerland.