Description

Watanabe et al proposed a simple ratio to assess the risk of osteoporotic fracture in obese patients. The bone mineral density tends to be higher in obese adults, and this may mask an increased risk of fracture. The authors are from Sapienza University of Rome.


Patient selection: obese adult

 

Parameters:

(1) bone mineral density in grams per square cm

(2) body mass index in kilograms per square meter

 

BMD to BMI ratio =

= BMD/BMI

 

Interpretation:

• A low bone mineral density and high BMI is associated with a low ratio.

• The lower the ratio the greater the risk of fracture.


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