Test–retest reliability of two consecutive mean sleep latency tests in patients with hypersomnia

Younghoon Kwon; Louis Kazaglis; Yeilim Cho; Michael J. Howell; Mark W. Mahowald

doi:10.1007/s41105-017-0116-8

Test–retest reliability of two consecutive mean sleep latency tests in patients with hypersomnia

Younghoon Kwon, Louis Kazaglis, Yeilim Cho, Michael J. Howell, Mark W. Mahowald

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Abstract

Reliability of mean sleep latency testing (MSLT) over consecutive days in patients with hypersomnia is unknown. We reviewed MSLTs of patients with hypersomnia without cataplexy who underwent our two consecutive MSLT protocol (N = 29). Average MSLs were 10.9 and 10.9 min for day 1 and 2, respectively. Agreement for pathological hypersomnia (defined as MSL ≤8 min) between MSLT days showed k = 0.85 for all (N = 29) and k = 0.76 for those without sleep apnea (N = 20). In patients with subjective complaints of hypersomnia, a single MSLT is sufficient (vs. addition of second day MSLT) in the setting of carefully implemented protocol controlling for potential confounding variables.

Original language	English (US)
Pages (from-to)	337-339
Number of pages	3
Journal	Sleep and Biological Rhythms
Volume	15
Issue number	4
DOIs	https://doi.org/10.1007/s41105-017-0116-8
State	Published - Oct 1 2017

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Publisher Copyright:
© 2017, Japanese Society of Sleep Research.

Keywords

Hypersomnia
Mean sleep latency test
Narcolepsy
Sleep disorder

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10.1007/s41105-017-0116-8

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5729936

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abstract = "Reliability of mean sleep latency testing (MSLT) over consecutive days in patients with hypersomnia is unknown. We reviewed MSLTs of patients with hypersomnia without cataplexy who underwent our two consecutive MSLT protocol (N = 29). Average MSLs were 10.9 and 10.9 min for day 1 and 2, respectively. Agreement for pathological hypersomnia (defined as MSL ≤8 min) between MSLT days showed k = 0.85 for all (N = 29) and k = 0.76 for those without sleep apnea (N = 20). In patients with subjective complaints of hypersomnia, a single MSLT is sufficient (vs. addition of second day MSLT) in the setting of carefully implemented protocol controlling for potential confounding variables.",

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AU - Kazaglis, Louis

AU - Cho, Yeilim

AU - Howell, Michael J.

AU - Mahowald, Mark W.

PY - 2017/10/1

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N2 - Reliability of mean sleep latency testing (MSLT) over consecutive days in patients with hypersomnia is unknown. We reviewed MSLTs of patients with hypersomnia without cataplexy who underwent our two consecutive MSLT protocol (N = 29). Average MSLs were 10.9 and 10.9 min for day 1 and 2, respectively. Agreement for pathological hypersomnia (defined as MSL ≤8 min) between MSLT days showed k = 0.85 for all (N = 29) and k = 0.76 for those without sleep apnea (N = 20). In patients with subjective complaints of hypersomnia, a single MSLT is sufficient (vs. addition of second day MSLT) in the setting of carefully implemented protocol controlling for potential confounding variables.

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Test–retest reliability of two consecutive mean sleep latency tests in patients with hypersomnia

Abstract

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