The Vancouver Sleep and Breathing Centre




Prevalence Of Snoring

Prevalence Of OSA

OSA may be more common in certain ethnic groups such as Black Americans, and Hispanics. It is our impression that the prevalence will be quite high in Sikhs, in certain South Asian populations, and in Coastal Indians.

The gap in prevalence of snoring and OSA between men and women may narrow further as a result of increased smoking in women.

OSA is very common in patients with:

OSA is probably also common in patients with neuromuscular disease such as muscular dystrophy, ALS and spinal cord injury. These special groups have not been well studied.

** Estimates of the prevalence of snoring and OSA will vary depending on how the researchers define each condition and the methods used to identify people with these conditions.


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