Prevalence of sleep apnoea syndrome in the middle to old age general population  Raphael Heinzer, Helena Marti-Soler, José Haba-Rubio  The Lancet Respiratory Medicine  Volume 4, Issue 2, Pages e5-e6 (February 2016) DOI: 10.1016/S2213-2600(16)00006-0 Copyright © 2016 Elsevier Ltd Terms and Conditions

Figure Prevalence of sleep apnoea syndrome in the general population aged 40 years or older Prevalence of sleep apnoea syndrome according to the International Classification of Sleep Disorders (ICSD-3) criteria. (A) The presence of one or more of the following: the patient complains of sleepiness, non-restorative sleep, fatigue, or insomnia symptoms; the patient wakes with breath holding, gasping, or choking; the bed partner or other observer reports habitual snoring, breathing interruptions, or both, during the patient's sleep; and the patient has been diagnosed with hypertension, mood disorder, cognitive dysfunction, coronary artery disease, stroke, atrial fibrillation, or type 2 diabetes. (B) Polysomnography or so-called out of centre sleep testing showing five or more predominantly obstructive respiratory events per h. (C) 15 or more predominantly obstructive respiratory events per h. AHI=apnoea-hypopnoea index. The Lancet Respiratory Medicine 2016 4, e5-e6DOI: (10.1016/S2213-2600(16)00006-0) Copyright © 2016 Elsevier Ltd Terms and Conditions