Clinical Calculators

OST (Osteoporosis Self-assessment Tool)

  • Validated in Asian, Caucasian, women and men
  • Acceptable sensitivity comparable to more complex tools
  • Low specificity
    • (Weight kg. — Age ) / 5 = OST score
    • Screen women with an OST score of < 2
    • Screen men with an OST score of < 4


  1. Lydick E, Cook K. Turpin J, Melton m, Stine R, Brynes C. Development and validation of a simple questionare to facilitate identification of women likely to have low bone density. Am j Mang Care 1998;4:37-48.

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