Clinical Calculators

The Osteoporosis Risk Assessment Instrument (ORAI)

Osteoporosis Risk Assessment Instrument (ORAI) was developed and validated in a cohort of Canadian women and had a sensitivity of 94.4% and specificity of 41.4% in that population.

What is the patient's age?

What is the patient's weight?

Is the patient currently on estrogen therapy?

ORAI total can be calculated by hand as follows (screening indicated if total is 9 or more):

Age Score
> 75 +15
65-74 + 9
55-64 + 5
45-54 0
Weight Score
< 60 Kg + 9
60-69 kg + 3
>70 kg 0
Current Estrogen Score
No + 2
Yes 0

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