Fat-free mass index and fat mass index percentiles in Caucasians aged 1898 y - 0 views
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BMI is the sum of FFMI+FMI
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During menopause and aging39,40 changes in FFM and FM are not adequately picked up by changes in BMI
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One advantage of FMI, as compared to the BMI concept, is that it amplifies the relative effect of aging on body fat
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We believe that the definition of obesity based on relative body fat (ie percentage) remains of great value for the definition of obesity. However, in a situation in which a patient is losing weight without substantially changing his/her relative body fat (as is the case with crash diets), the calculation of FMI will quantitatively reveal the amount of body fat store lost.
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relative FFM lower than 73% (ie a relative body fat greater than 27%) in men and a FFM lower than 62% (ie a body fat greater than 38%) in women.
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FMIs greater than 8.2 kg/m2 in men and 11.8 kg/m2 in women would define the 'overfat' status (rather than the overweight range) in terms of fat mass
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In young women, FMI averaged 5.5 kg/m2 (range 5th-95th percentile: 3.5-8.7 kg/m2) ie 38% higher than in males