Evidence map›Paper›PMID 25620673›Full record

ArticleClinical rheumatology2015

Sleep quality and correlates of poor sleep in patients with rheumatoid arthritis.

K Løppenthin, B A Esbensen, P Jennum, M Østergaard, A Tolver, T Thomsen, J Midtgaard

Registry-linked trialAbstract read
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In one paragraph

Article in Clinical rheumatology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04839081 (Neuropathic Characteristics of Rheumatoid Hand Pain and it's Relation to Sensory Thresholds and Sleep Quality), which is not on this map. Cited by 50 papers.

0numbers the graph read from it
0cells of the map it votes in
50citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT04839081 active not recruitingnot on this mapstarted 2021, after this paper: background citation

Neuropathic Characteristics of Rheumatoid Hand Pain and it's Relation to Sensory Thresholds and Sleep Quality: a Case-control Study

TypeobservationalSponsorBozyaka Training and Research HospitalRan2021 to 2026Enrolled300ConditionsRheumatoid ArthritisArmsquestionnaires and inventories
3 · Its place in the literature

Who cites it

50 citing papers in PubMed.

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  12. Yoga as an adjunctive therapy for rheumatoid arthritis.The Cochrane database of systematic reviews · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

K LøppenthinResearch Unit of Nursing and Health Science, Glostrup Hospital, University of Copenhagen, Ndr. Ringvej 57, 2600, Copenhagen, Denmark. katrine.bjerre.loeppenthin@regionh.dk.
B A EsbensenResearch Unit of Nursing and Health Science, Glostrup Hospital, University of Copenhagen, Ndr. Ringvej 57, 2600, Copenhagen, Denmark.
P JennumDanish Center for Sleep Medicine, Department of Clinical Neurophysiology, Glostrup Hospital, University of Copenhagen, Copenhagen, Denmark.
M ØstergaardCopenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Glostrup Hospital, University of Copenhagen, Copenhagen, Denmark.
A TolverLaboratory of Applied Statistics, Department of Mathematical Sciences, University of Copenhagen, Copenhagen, Denmark.
T ThomsenResearch Unit of Nursing and Health Science, Glostrup Hospital, University of Copenhagen, Ndr. Ringvej 57, 2600, Copenhagen, Denmark.
J MidtgaardDepartment of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The objective of this study is to examine sleep quality and correlates of poor sleep in patients with rheumatoid arthritis (RA). Five hundred patients with RA were recruited from a rheumatology outpatient clinic and included in this cross-sectional study. Sleep quality and disturbances were assessed using the Pittsburgh Sleep Quality Index (PSQI). Other instruments included the Multidimensional Fatigue Inventory, the Epworth Sleepiness Scale, and the Health Assessment Questionnaire. Disease activity was assessed according to disease activity score DAS28-CRP-based. Complete scores on PSQI were obtained from 384 patients (77 %). In those, the prevalence of poor sleep (PSQI >5) was 61 %, and the mean global PSQI score was 7.54 (SD 4.17). A linear association was found between poor sleep and mental fatigue, reduced activity related to fatigue, physical fatigue, and general fatigue. Mental fatigue and general fatigue were independently associated with sleep quality, sleep latency, sleep duration, sleep efficiency, and daytime dysfunction. However, in the linear multivariate analysis, only general fatigue 1.06 (95 % CI 1.03-1.09) and mental fatigue 1.03 (95 % CI 1.01-1.05) were found to be significant correlates for reporting poor sleep. This study shows that a majority of patients with RA experience poor sleep and that general fatigue and mental fatigue are associated with poor sleep.

Indexed as

Activities of Daily LivingSleepAdultAgedAged, 80 and overArthritis, RheumatoidCross-Sectional StudiesFatigueFemaleHumansLinear ModelsMaleMental FatigueMiddle AgedMultivariate AnalysisRisk FactorsDisease activityFatiguePainRheumatoid arthritisSleep

Identifiers

What OpenQuestion holds

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.