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. 2019 Oct 16;9(10):e024595. doi: 10.1136/bmjopen-2018-024595

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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The forest plot for the risk of hip fractures. A, high calcium (≥800 mg/day); B, low calcium (<800 mg/day); C, high vitamin D (≥800 IU/day); D, low vitamin D (<800 IU/day).