* Required


OST = 0.2 * (Weight – Age)


  1. Screening for osteoporosis using easily obtainable biometrical data: diagnostic accuracy of measured, self-reported and recalled BMI, and related costs of bone mineral density measurements. van der Voort DJ, Brandon S, Dinant GJ, van Wersch JW.Osteoporos Int. 2000; 11(3):233-9.
  2. Geusens P, Hochberg MC, van der Voort DJ, et. al. Performance of risk indices for identifying low bone density in postmenopausal women. Mayo Clin Proc. 2002 Jul;77(7):629-37.

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