Body Mass Index
From Anvita Health Wiki
Contents |
Introduction
- BMI = mass in kg/ height in m2
- (weight in kg divided by square of height in meters)
- Normal: 22-25 kg/m2
* BMI 27-30 kg/m2 = mild obesity * 30-35 kg/m2 = moderate obesity * >35 kg/m2 = severe obesity
- A BMI calculator is available on the internet [3]
- waist/hip ratio may be a better predictor of cardiovascular risk
Pathology
- low & high body mass index associated with increased mortality [4]
- for BMI > 25, every 5-unit increase in BMI translates to:
- 30% increased risk for all-cause mortality
- 40% higher risk for death from cardiovascular disease
- 60-120% increase in mortality due to renal disease, liver disease or diabetes
- 10% increased risk for cancer-related deaths
- for BMI < 22, increased mortality is partly due to smoking
* Risk of all-cause mortality by BMI [5] * BMI Hazzard Ratio * 15.0-18.4.............. 1.5 * 18.5-19.9.............. 1.1 * 20.0-22.4.............. 1.0 * 22.5-24.9.............. 1.0 * 25.0-29.9.............. 1.1 * 30.0-34.9.............. 1.4 * 35.0-39.9.............. 1.9 * 40.0-49.9.............. 2.5
Genetics
Indications
- health maintenance assessment
- evaluation of obesity
- evalation of malnutrition
More General Terms
Additional Terms
Internet Database
OMIM: 606641
References
- Guide to Ambulatory Care, Brian Yee, Bristol Meyers Squibb, 1997
- Saunders Manual of Medical Practice, Rakel (ed), WB Saunders, Philadelphia, 1996, pg 693-94
- BMI calculator [1]
- Prospective Studies Collaboration Body-mass index and cause-specific mortality in 900 000 adults: collaborative analyses of 57 prospective studies The Lancet 2009, Vol 373:(9669)1083-1096 [2]
- Berrington de Gonzalez A et al Body-Mass Index and Mortality among 1.46 Million White Adults N Engl J Med. 2010 Dec 2;363(23):2211-9. <PubMed> PMID: [3] <Internet> [4]
