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Definitions, social trends, and epidemiology 

Definitions, social trends, and epidemiology
Chapter:
Definitions, social trends, and epidemiology
Author(s):

Mark Bellamy

and Michel Struys

DOI:
10.1093/med/9780199233953.003.0001
Page of

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date: 19 October 2017

• Obesity is an epidemic facing society at large. • Body mass index is widely used to define obesity but waist circumference is more predictive of morbidity. • Obese >30 kg per square metre. • Morbidly obese >40 kg per square metre. • 43% of men and 33% of women are overweight. • 22% of men and 23% of women are obese. • In the United Kingdom, obesity results in 30,000 deaths per year. • The estimated cost to the National Health Service in the United Kingdom is between £0.5 and £1 billion annually. • When the obese patient presents for anaesthesia, the challenges to the anaesthetist and theatre team are very real.

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