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Definitions, social trends, and epidemiology 

Definitions, social trends, and epidemiology
Definitions, social trends, and epidemiology

Mark Bellamy

and Michel Struys

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date: 25 November 2020

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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