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  • Title: Forearm bone mineral density in 1294 middle-aged women: a strong predictor of fragility fractures.
    Author: Holmberg A, Johnell O, Akesson K, Nilsson P, Nilsson JA, Berglund G.
    Journal: J Clin Densitom; 2004; 7(4):419-23. PubMed ID: 15618603.
    Abstract:
    The aim of this study was to find out whether a single bone mineral density (BMD) measurement performed at middle age in early postmenopausal women could predict future fragility fractures. The Malmo Preventive Project, a population-based cardiovascular prevention study, included a subgroup of 1294 women, mean age 53, on which forearm BMD measurements were made using single-photon absorptiometry (SPA). Risk ratios (RRs) were calculated for an age-adjusted decrease in BMD of one standard deviation. During the 9-yr follow-up, 65 women sustained 86 fractures. The data were analyzed with Cox's proportional hazard analysis. The relative risk for sustaining any fragility fracture were 2.02 (95% confidence interval [CI] = 1.56-2.61) and 1.62 (CI = 1.26-2.08) at the distal and proximal forearm BMD measurement, respectively. The risk increase was significant for forearm fracture at the distal BMD level (RR = 1.94; range = 1.40-2.68) and at the proximal BMD level (RR = 1.77; range = 1.29-2.42). Our study is one of the first to show that a BMD measurement in a population at age 50 can predict fracture over almost 10 yr, indicating that early identification of women with increased fracture risk is possible, and the cost-effectiveness of such an approach needs to be further evaluated.
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