oa Southern African Journal of Anaesthesia and Analgesia - The bariatric surgery patient for non-bariatric surgery : SASA refresher course text



Obesity is a complex, multi-system disorder that results from a positive energy imbalance. The World Health Organization (WHO) classifies obesity based on body mass index (BMI), measured as weight (kg) divided by height squared (m2)(Table I).

The overall prevalence of overweight and obesity is high in South Africa, with more than 29% of men and 56% of women being obese. BMI was found to be higher in people living in urban areas and in those with increasing age. An analysis of medical claims data for South Africans during 2010 associated obesity with significantly increased healthcare expenditure.


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