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Obstructive sleep apnoea in the general population: highly prevalent but minimal symptoms.

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Authors
Arnardottir, Erna S
Bjornsdottir, Erla
Olafsdottir, Kristin A
Benediktsdottir, Bryndis
Gislason, Thorarinn
Issue Date
2016-01

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Citation
Obstructive sleep apnoea in the general population: highly prevalent but minimal symptoms. 2016, 47 (1):194-202 Eur. Respir. J.
Abstract
The aim was to assess the prevalence of obstructive sleep apnoea (OSA) as defined by an apnoea-hypopnea index (AHI) ≥15 in the middle-aged general population, and the interrelationship between OSA, sleep-related symptoms, sleepiness and vigilance.A general population sample of 40-65-year-old Icelanders was invited to participate in a study protocol that included a type 3 sleep study, questionnaire and a psychomotor vigilance test (PVT).Among the 415 subjects included in the study, 56.9% had no OSA (AHI <5), 24.1% had mild OSA (AHI 5-14.9), 12.5% had moderate OSA (AHI 15-29.9), 2.9% had severe OSA (AHI ≥30) and 3.6% were already diagnosed and receiving OSA treatment. However, no significant relationship was found between AHI and subjective sleepiness or clinical symptoms. A relationship with objective vigilance assessed by PVT was only found for those with AHI ≥30. Subjects already on OSA treatment and those accepting OSA treatment after participating in the study were more symptomatic and sleepier than others with similar OSA severity, as assessed by the AHI.In a middle-aged general population, approximately one in five subjects had moderate-to-severe OSA, but the majority of them were neither symptomatic nor sleepy and did not have impaired vigilance.
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To access publisher's full text version of this article click on the hyperlink at the bottom of the page
Additional Links
http://dx.doi.org/ 10.1183/13993003.01148-2015
http://erj.ersjournals.com/content/erj/47/1/194.full.pdf
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Archived with thanks to The European respiratory journal
ae974a485f413a2113503eed53cd6c53
10.1183/13993003.01148-2015
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English Journal Articles (Peer Reviewed)

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