Accuracy of comparing bone quality to chocolate bars for patient information purposes: observational study.

Jones, Phil; Jones, Sarah; Stone, Debbie · BMJ · 2007

cross_sectional · Level IV

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Abstract

To test whether standard information for patients using Crunchie and Aero chocolate bars to explain bone health and risk of fracture is robust. Observational study. Domestic kitchen in rural west Wales. 10 Crunchie bars and 10 Aero bars. Fracture after falls from varying heights. Both Crunchie and Aero bars exhibited the same T and Z scores for bone density. Crunchie bars had a lower chocolate mass index than the Aero bars. Crunchie bars are more liable to fracture. Using Crunchie and Aero chocolate bars to explain bone structure to patients may be visually attractive but oversimplifies the situation.

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