Osteoporosis Risk Score Calculator (OST)
Health & FitnessCalculate the OST (Osteoporosis Self-Assessment Tool) score, a simple weight-and-age-based osteoporosis risk screen.
OST Score
OST score. Educational reference only, not a substitute for clinical judgment or a bone density scan.
Risk Category
Moderate risk
General osteoporosis risk category using sex-specific thresholds.
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Creators
Odeh Ahwal0people find this calculator helpful
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Saved
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Health & Fitness calculators
Frequently Asked Questions
What is the OST score used for?
OST (Osteoporosis Self-Assessment Tool) is a simple screening formula using only weight and age to estimate osteoporosis risk, intended to help identify who may benefit from a formal bone density (DXA) scan.
Why does higher weight lower the OST risk score in this formula?
Higher body weight is associated with greater mechanical loading on bone, which tends to be protective against osteoporosis, so the formula subtracts age from weight, with higher results indicating lower risk.
How accurate is OST compared to a bone density scan?
OST is a quick screening estimate, not a diagnostic test. A formal DXA (bone density) scan remains the gold standard for actually diagnosing osteoporosis.
Is this calculator a substitute for medical advice?
No. This is an educational reference implementation of the OST screening formula, not a substitute for a physicians clinical assessment or a bone density scan.
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