Evidence map›Paper›PMID 33284860›Full record

ArticlePloS one2020

REM sleep behavior in Parkinson disease: Frequent, particularly with higher age.

Heide Baumann-Vogel, Hyun Hor, Rositsa Poryazova, Philipp Valko, Esther Werth, Christian R Baumann

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 2 pooled it
1.1field-weighted citation impact, top 18% of its field
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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 2 syntheses or guidelines pooled it, 33 citations in OpenAlex.

  1. Pooled it
  2. Sleep disturbances in Lewy body dementia: A systematic review.International journal of geriatric psychiatry · 2022
    Pooled it
  3. Review
  4. Altered topological properties in PD patients with probable REM sleep behavior disorder through fuctional MRI.Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2026
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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

6 authors at 1 institution in 1 country.

Heide Baumann-VogelDepartment of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.
Hyun HorDepartment of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.
Rositsa PoryazovaDepartment of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.
Philipp ValkoDepartment of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.
Esther WerthDepartment of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.
Christian R BaumannDepartment of Neurology, University Hospital and University of Zurich, Zurich, Switzerland.ORCID 0000-0003-3417-1978
University of Zurich · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This retrospective single-center polysomnography-based study was designed to assess the frequency of REM sleep behavior disorder (RBD) in consecutive patients with Parkinsonism, including Parkinson disease, dementia with Lewy bodies, multiple system atrophy, progressive supranuclear palsy, and corticobasal degeneration. We observed RBD in 77% of 540 Parkinson patients, with rising frequency at higher age and regardless of sex, in >89% of 89 patients with dementia with Lewy bodies or multiple system atrophy, and in <15% of 42 patients with progressive supranuclear palsy or corticobasal degeneration. Thus, the prevalence of RBD in sporadic Parkinson disease might be higher than previously assumed, particularly in elderly patients.

Indexed as

AgedFemaleHumansLewy Body DiseaseMultiple System AtrophyParkinson DiseasePolysomnographyPrevalenceREM Sleep Behavior DisorderRetrospective StudiesSupranuclear Palsy, Progressive

Identifiers

PMID33284860
PMCPMC7721138
OpenAlexW3111480559

What OpenQuestion holds

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Read underepoch 390

Registered trials

None linked

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.