Apnea-hypopnea index: time to wake up

Eyal Shahar Division of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA Abstract: Despite the widespread use of the apnea-hypopnea index in research, its scientific and statistical properties have not been examined thoroughly....

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Autor principal:	Shahar E
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2014
Materias:	Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
Acceso en línea:	https://doaj.org/article/ab578ade33854428ad29587e5307cc7e
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spelling	oai:doaj.org-article:ab578ade33854428ad29587e5307cc7e2021-12-02T04:31:59ZApnea-hypopnea index: time to wake up1179-1608https://doaj.org/article/ab578ade33854428ad29587e5307cc7e2014-04-01T00:00:00Zhttp://www.dovepress.com/apnea-hypopnea-index-time-to-wake-up-a16357https://doaj.org/toc/1179-1608 Eyal Shahar Division of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA Abstract: Despite the widespread use of the apnea-hypopnea index in research, its scientific and statistical properties have not been examined thoroughly. The index may be viewed either as a rate (number of events per hour of sleep) or as a ratio of two variables (number of events/number of hours of sleep). When considered as a rate, the apnea-hypopnea index may be modeled as the dependent variable, provided that researchers explicitly state which physical property they assume to be measuring. On the other hand, the index is rarely, if ever, the preferred model of exposure to sleep-disordered breathing (an independent variable), regardless of whether it is considered a rate or a ratio variable. Continued indiscriminate use of the apnea-hypopnea index in sleep research should be discouraged. Keywords: apnea-hypopnea index, respiratory disturbance index, ratio variables, ratesShahar EDove Medical PressarticlePsychiatryRC435-571Neurophysiology and neuropsychologyQP351-495ENNature and Science of Sleep, Vol 2014, Iss default, Pp 51-56 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495
spellingShingle	Psychiatry RC435-571 Neurophysiology and neuropsychology QP351-495 Shahar E Apnea-hypopnea index: time to wake up
description	Eyal Shahar Division of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ, USA Abstract: Despite the widespread use of the apnea-hypopnea index in research, its scientific and statistical properties have not been examined thoroughly. The index may be viewed either as a rate (number of events per hour of sleep) or as a ratio of two variables (number of events/number of hours of sleep). When considered as a rate, the apnea-hypopnea index may be modeled as the dependent variable, provided that researchers explicitly state which physical property they assume to be measuring. On the other hand, the index is rarely, if ever, the preferred model of exposure to sleep-disordered breathing (an independent variable), regardless of whether it is considered a rate or a ratio variable. Continued indiscriminate use of the apnea-hypopnea index in sleep research should be discouraged. Keywords: apnea-hypopnea index, respiratory disturbance index, ratio variables, rates
format	article
author	Shahar E
author_facet	Shahar E
author_sort	Shahar E
title	Apnea-hypopnea index: time to wake up
title_short	Apnea-hypopnea index: time to wake up
title_full	Apnea-hypopnea index: time to wake up
title_fullStr	Apnea-hypopnea index: time to wake up
title_full_unstemmed	Apnea-hypopnea index: time to wake up
title_sort	apnea-hypopnea index: time to wake up
publisher	Dove Medical Press
publishDate	2014
url	https://doaj.org/article/ab578ade33854428ad29587e5307cc7e
work_keys_str_mv	AT shahare apneahypopneaindextimetowakeup
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Apnea-hypopnea index: time to wake up

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