Measures of sleep in rheumatologic diseases: Epworth Sleepiness Scale (ESS), Functional Outcome of Sleep Questionnaire (FOSQ), Insomnia Severity Index (ISI), and Pittsburgh Sleep Quality Index (PSQI)

Omachi, Theodore A.

doi:10.1002/acr.20544

Cited by 101 publications

(70 citation statements)

References 88 publications

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“…On the other hand, the SF-36 MID we used comes from several studies where several methods have been used to calculate it. Although the MID has not been established in patients with OSA, one study estimated the MID to be between 1 and 5 points in patients with rheumatoid arthritis,21 who often experience symptoms of daytime sleepiness and may have a similar MID to patients with OSA 30. We also gave more weight to study combination 1 (autoCPAP and MOSAIC) as the total sample size was much larger (n=574 vs n=267) and covers a wider range of patient severities.…”

Section: Discussionmentioning

confidence: 99%

Minimum important difference of the Epworth Sleepiness Scale in obstructive sleep apnoea: estimation from three randomised controlled trials

Crook

Sievi

Bloch

et al. 2018

Thorax

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BackgroundThe Epworth Sleepiness Scale (ESS) is a widely used tool for assessing sleepiness in patients with obstructive sleep apnoea (OSA). We aimed to estimate the minimal important difference (MID) in patients with OSA.MethodsWe used individual data from three randomised controlled trials (RCTs) in patients with OSA where the preintervention to postintervention change in ESS was used as a primary outcome. We used anchor-based linear regression and responder analysis approaches to estimate the MID. For anchors, we used the change in domains of the Functional Outcomes of Sleep Questionnaire and 36-Item Short Form Health Survey. We also used the distribution-based approaches Cohen’s effect size, SE of measurement and empirical rule effect size to support the anchor-based estimates. The final MID was determined by triangulating all estimates to a single MID.FindingsA total of 639 patients with OSA were included in our analyses across the three RCTs with a median (IQR) baseline ESS score of 10 (6–13). The median (IQR) ESS change score overall was −2 (−5 to 1). The anchor-based estimates of the MID were between −1.74 and −4.21 points and estimates from the responder analysis were between −1 and −3 points. Distribution-based estimates were smaller, ranging from −1.46 to −2.36.InterpretationWe propose an MID for the ESS of 2 points in patients with OSA with a disease severity from mild to severe. This estimate provides the means to plan trials and interpret the clinical relevance of changes in ESS.Trial registration numberProvent, NCT01332175; autoCPAP trial, NCT00280800; MOSAIC,ISRCTN (3416388).

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Section: Discussionmentioning

confidence: 99%

Minimum important difference of the Epworth Sleepiness Scale in obstructive sleep apnoea: estimation from three randomised controlled trials

Crook

Sievi

Bloch

et al. 2018

Thorax

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“…In the current study, we used the ISI to assess the patient's perception of his or her insomnia and the severity of both nighttime and daytime components of insomnia since it has been subject to several validation studies, and its psychometric qualities are highlighted by many publications [14][15][16][17][18][19]. It is available in several languages and is increasingly used as a metric in clinical research.…”

Section: Discussionmentioning

confidence: 99%

Sleep Disorders and Sleep Quality in Moroccan Adult Patients with Cancer during Treatment

Echchikhi¹,

El-Abbassi²,

Touil³

et al. 2017

J Cancer Sci Ther

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“…One likely reason for this disparity is that the study designs of past studies were not unified. For example, an expansive definition of arthritis in a large cohort study would increase the prevalence because of an imprecise definition of arthritis that includes rheumatoid arthritis or ON of the knee (20). The influence of knee OA on sleep disturbances was reported experimentally using OA rats (23,24).…”

Section: Discussionmentioning

confidence: 99%

“…Sleep quality was evaluated by the Pittsburgh Sleep Quality Index (PSQI), a valid and reliable index for evaluating sleep quality in patients with arthritis (20). A score of more than 5.5 out of 21 points was defined as sleep disturbance (21,22).…”

Section: Methodsmentioning

confidence: 99%

Nocturnal Knee Pain Increases With the Severity of Knee Osteoarthritis, Disturbing Patient Sleep Quality

Sasaki

Tsuda

Yamamoto

et al. 2014

Arthritis Care & Research

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Objective. Sleep disturbances frequently accompany chronic pain from osteoarthritis (OA). Effective management of sleep disturbances may require successful treatment of chronic pain, a key factor in the clinical evaluation of knee OA. However, the relationship between the severity of knee OA and sleep quality is unclear. Our purpose was to correlate the prevalence of nocturnal knee pain with different OA severity levels and to determine its influence on sleep quality. Methods. Subjects included 1,214 local volunteers with mean ؎ SD age 58.1 ؎ 13.0 years. The existence and severity of knee OA were determined by the Kellgren/Lawrence (K/L) grade, and joint space widths were measured. The presence of nocturnal knee pain and Knee Injury and Osteoarthritis Outcome Scores (KOOS) were assessed by self-completed questionnaires. Sleep quality was evaluated by the Pittsburgh Sleep Quality Index. Knee-related factors affecting sleep quality were detected using statistical methods. Results. The prevalence of nocturnal knee pain was 3.6%, 6.9%, 19.4%, 32.7%, and 75.0% in K/L grades 0, 1, 2, 3, and 4, respectively. Also, prevalence significantly increased with OA severity (P < 0.001). Sleep problems also increased with K/L grade (P ‫؍‬ 0.038), and KOOS quality of life (QOL) was significantly lower in those with OA and sleep problems. Logistic regression showed that sleep problems were related to joint space narrowing (P ‫؍‬ 0.016) and nocturnal knee pain (P ‫؍‬ 0.039). Severe OA also disturbed onset and maintenance of sleep. Conclusion. The prevalence of nocturnal knee pain and sleep problems increased with the severity of OA, impacting QOL. These results suggest the necessity of appropriate nocturnal pain control.

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Measures of sleep in rheumatologic diseases: Epworth Sleepiness Scale (ESS), Functional Outcome of Sleep Questionnaire (FOSQ), Insomnia Severity Index (ISI), and Pittsburgh Sleep Quality Index (PSQI)

Cited by 101 publications

References 88 publications

Minimum important difference of the Epworth Sleepiness Scale in obstructive sleep apnoea: estimation from three randomised controlled trials

Minimum important difference of the Epworth Sleepiness Scale in obstructive sleep apnoea: estimation from three randomised controlled trials

Sleep Disorders and Sleep Quality in Moroccan Adult Patients with Cancer during Treatment

Nocturnal Knee Pain Increases With the Severity of Knee Osteoarthritis, Disturbing Patient Sleep Quality

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