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The waist-to-height ratio (WHtR, [a] or WSR: waist-to-stature ratio) is the waist circumference divided by body height, both measured in the same units. WHtR is a measure of the distribution of body fat. Higher values of WHtR indicate higher risk of obesity-related cardiovascular diseases, which are correlated with abdominal obesity. [1]
The waist–hip ratio or waist-to-hip ratio (WHR) is the dimensionless ratio of the circumference of the waist to that of the hips. This is calculated as waist measurement divided by hip measurement (W ⁄ H). For example, a person with a 75 cm waist and 95 cm hips (or a 30-inch waist and 38-inch hips) has WHR of about 0.79.
In the United States a waist circumference of >102 cm (≈40") in men and >88 cm (≈34.5") in women [26] or the waist–hip ratio (the circumference of the waist divided by that of the hips) of >0.9 for men and >0.85 for women are used to define central obesity. [27]
Waist circumference and height can be in any unit of length, as long as they both use the same one. [1] [3] Predictions of % total body fat and % visceral adipose tissue apply a different eccentricity equation using waist and hip circumferences, age, height, gender, ethnicity, and body weight as inputs. [1]
Neck circumference has been used as a surrogate simple and reliable index to indicate upper-body subcutaneous fat accumulation. Neck circumference of more than 40.25 cm (15.85 in) for men and more than 35.75 cm (14.07 in) for women are considered high-risk for metabolic syndrome.
All the participants had abdominal obesity—a waist circumference of greater than 102 cm for men and 88 cm for women—or they had dyslipidemia—high triglycerides (>150 mg/dL) and low HDL ...
The ratio of the patient's height and waist measurement, both in meters, is multiplied by 20 before being subtracted from a number (shown in bold below) that adjusts for differences in gender and height: RFM for adult males: 64 – 20 × (height / waist circumference) RFM for adult females: 76 – 20 × (height / waist circumference)
There also exist formulas for estimating body fat percentage from an individual's weight and girth measurements. For example, the U.S. Navy circumference method compares abdomen or waist and hips measurements to neck measurement and height and other sites claim to estimate one's body fat percentage by a conversion from the body mass index. In ...
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related to: who guidelines for waist circumference