Endocrinology · Primary Care

ORAI Osteoporosis Risk Index calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age (years; ≥55 (+5), ≥65 (+9), ≥75 (+15))

years

Allowed range: 45–100 years

Weight (kg; <60 (+9), <70 (+3))

Allowed range: 77.16–264.55 lb

Estrogen

Result

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Clinical inputs

Age (years; ≥55 (+5), ≥65 (+9), ≥75 (+15))Accepted range: 45 to 100
Weight (kg; <60 (+9), <70 (+3))Accepted range: 35 to 120
Estrogen

Primary source

Cadarette SM et al. Development and validation of the Osteoporosis Risk Assessment Instrument. Osteoporos Int. DOI: 10.1007/s001980070072. PMID: 10853964. Scope: ORAI points from age, weight, and estrogen use for osteoporosis screening triage. (2000)

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