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KMID : 1144120230130030343
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Biomedical Engineering Letters
2023 Volume.13 No. 3 p.343 ~ p.352
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Comparative study of the SleepImage ring device and polysomnography for diagnosing obstructive sleep apnea
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Mi Lu
Kang Min-Jun
Lisa Rosenblum
Matthew Salanitro
Koh Seong-Hyun
Martin Glos
Giuseppe Fico
Thomas Penzel
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Abstract
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Purpose We aim to evaluate the diagnostic performance of the SleepImage Ring device in identifying obstructive sleep apnea (OSA) across different severity in comparison to standard polysomnography (PSG). Methods Thirty-nine patients (mean age, 56.8?±?15.0 years; 29 [74.3%] males) were measured with the SleepImage Ring and PSG study simultaneously in order to evaluate the diagnostic performance of the SleepImage device for diagnosing OSA. Variables such as sensitivity, specificity, positive and negative likelihood ratio, positive and negative predictive value, and accuracy were calculated with PSG-AHI thresholds of 5, 15, and 30 events/h. Receiver operating characteristic curves were also built according to the above PSG-AHI thresholds. In addition, we analyzed the correlation and agreement between the apnea-hypopnea index (AHI) obtained from the two measurement devices. Results There was a strong correlation (r?=?0.89, P?
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KEYWORD
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Apnea-hypopnea index, Cardiopulmonary coupling, Polysomnography, Obstructive sleep apnea
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