Moderately strong intraclass correlations between actigraphic and polysomnographic total sleep time and sleep efficiency in older adults with sleep disturbance.

IF 2 4区医学 Q3 CLINICAL NEUROLOGY

Sleep and Breathing Pub Date : 2025-04-15 DOI:10.1007/s11325-025-03326-y

Matthew M Rahimi, Craig L Phillips, Nathaniel S Marshall, Rick Wassing, Teha Pun, Ron R Grunstein, Christopher J Gordon

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引用次数: 0

Abstract

Objective: To evaluate the reliability of the GeneActiv actigraphy device in measuring sleep parameters and compare its performance with polysomnography (PSG) in older adults with self-reported sleep disturbances.

Methods: This sub-study was part of a pilot double-blinded randomized controlled crossover trial (CleverLights Study, ANZCTR ID 12619000138189). Participants (n = 12, mean age 67.7 years) underwent two nights of sleep studies with simultaneous GeneActiv actigraphy and PSG, separated by a 2-week interval. Sleep parameters including time in bed (TIB), total sleep time (TST), wake after sleep onset (WASO), sleep onset latency (SOL), sleep efficiency (SE), and number of awakenings were assessed. Intraclass Correlation Coefficients (ICCs) and Bland-Altman plots were used to determine reliability and agreement between methods.

Results: GeneActiv actigraphy demonstrated strong correlations with PSG for TST (ICC = 0.79, p = 0.001) and SE (ICC = 0.85, p < 0.001), but tended to overestimate these parameters. Actigraphy also significantly underestimated the number of awakenings (ICC = 0.45, p = 0.021). Correlations with observed TIB (ICC = 0.30, p = 0.433), WASO (ICC = 0.33, p = 0.386), and SOL (ICC = 0.32, p = 0.056) were non-significant. Bland-Altman plots revealed proportional bias, especially in SOL and the number of awakenings.

Conclusion: Compared to PSG, the GeneActiv actigraphy device provides reliable measurements for total sleep time and sleep efficiency, but agreement was weaker for wake after sleep onset, sleep onset latency, and the number of awakenings. The device showed consistent performance across multiple nights, suggesting good reproducibility. However, it systematically overestimated total sleep time and underestimates wake-related parameters, hence it may not fully replace PSG for detailed sleep assessments.

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在有睡眠障碍的老年人中，活动图和多导睡眠图的总睡眠时间和睡眠效率之间有中等强的类内相关性。

目的：评价GeneActiv活动描记仪测量睡眠参数的可靠性，并将其与多导睡眠描记仪（PSG）在自述睡眠障碍老年人中的表现进行比较。方法：该子研究是一项先导双盲随机对照交叉试验的一部分（CleverLights研究，ANZCTR ID 12619000138189）。参与者（n = 12，平均年龄67.7岁）进行了两晚的睡眠研究，同时进行了geneactive活动描记术和PSG，间隔2周。评估睡眠参数，包括床上时间（TIB）、总睡眠时间（TST）、睡眠后醒来时间（WASO）、睡眠开始潜伏期（SOL）、睡眠效率（SE）和醒来次数。类内相关系数（ICCs）和Bland-Altman图用于确定方法之间的可靠性和一致性。结果：GeneActiv活动仪与PSG的TST （ICC = 0.79, p = 0.001）和SE （ICC = 0.85, p）有很强的相关性。结论：与PSG相比，GeneActiv活动仪提供了总睡眠时间和睡眠效率的可靠测量，但在睡眠开始后醒来、睡眠开始潜伏期和醒来次数方面的一致性较弱。该装置在多个晚上显示出一致的性能，表明具有良好的再现性。然而，它系统性地高估了总睡眠时间，低估了清醒相关参数，因此它可能无法完全取代PSG进行详细的睡眠评估。

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来源期刊

Sleep and Breathing 医学-呼吸系统

CiteScore

5.20

自引率

4.00%

发文量

222

审稿时长

3-8 weeks

期刊介绍： The journal Sleep and Breathing aims to reflect the state of the art in the international science and practice of sleep medicine. The journal is based on the recognition that management of sleep disorders requires a multi-disciplinary approach and diverse perspectives. The initial focus of Sleep and Breathing is on timely and original studies that collect, intervene, or otherwise inform all clinicians and scientists in medicine, dentistry and oral surgery, otolaryngology, and epidemiology on the management of the upper airway during sleep. Furthermore, Sleep and Breathing endeavors to bring readers cutting edge information about all evolving aspects of common sleep disorders or disruptions, such as insomnia and shift work. The journal includes not only patient studies, but also studies that emphasize the principles of physiology and pathophysiology or illustrate potentially novel approaches to diagnosis and treatment. In addition, the journal features articles that describe patient-oriented and cost-benefit health outcomes research. Thus, with peer review by an international Editorial Board and prompt English-language publication, Sleep and Breathing provides rapid dissemination of clinical and clinically related scientific information. But it also does more: it is dedicated to making the most important developments in sleep disordered breathing easily accessible to clinicians who are treating sleep apnea by presenting well-chosen, well-written, and highly organized information that is useful for patient care.