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Meta-analysis on the prevalence of REM sleep behavior disorder symptoms in Parkinson’s disease

Overview of attention for article published in BMC Neurology, February 2017
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2 tweeters

Citations

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43 Dimensions

Readers on

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102 Mendeley
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1 CiteULike
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Title
Meta-analysis on the prevalence of REM sleep behavior disorder symptoms in Parkinson’s disease
Published in
BMC Neurology, February 2017
DOI 10.1186/s12883-017-0795-4
Pubmed ID
Authors

Jia Zhang, Chuan-Ying Xu, Jun Liu

Abstract

Our study was aimed to evaluate the risk of a selected non-motor symptom, namely rapid eye movement behavior disorder (RBD) symptoms, among patients with newly diagnosed Parkinson disease compared with health controls. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines for meta-analysis and Cochrane manual were followed. Studies on RBD symptoms and PD were searched using PubMed, Embase, Web of Science and Cochrane library databases. All studies were published before August 3(rd), 2016. Eligible studies were those that reported a prevalence of RBD symptoms among newly diagnosed PD and health control. Pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated by random-effected models. Heterogeneity across studies was assessed using Cochran Q and I(2) statistics. We identified eight studies including 2462 PD patients and 3818 health controls. The overall prevalence of RBD symptoms in PD was 582/2462 (23.6%) compared to 131/3818 (3.4%) in control. And the pooled OR was 5.69 (95% CI 3.60 to 9.00; p = 0.001) with a moderate heterogeneity I(2) = 70.5%. After excluding the study of low weight, the overall polled OR was 3.54 (95% CI 2.77 to 4.52; p < 0.00001) and the heterogeneity was completely eliminated (I(2) = 0%). RBD symptoms are common non-motor symptoms of PD, and people with PD are at a higher risk of developing RBD. Further studies are needed to understand the natural history of RBD symptoms in PD and its etiological and clinical implications.

Twitter Demographics

The data shown below were collected from the profiles of 2 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 102 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Austria 1 <1%
Unknown 101 99%

Demographic breakdown

Readers by professional status Count As %
Student > Master 19 19%
Student > Ph. D. Student 16 16%
Student > Bachelor 14 14%
Student > Doctoral Student 9 9%
Researcher 7 7%
Other 19 19%
Unknown 18 18%
Readers by discipline Count As %
Medicine and Dentistry 32 31%
Neuroscience 21 21%
Psychology 7 7%
Nursing and Health Professions 5 5%
Unspecified 4 4%
Other 10 10%
Unknown 23 23%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 October 2017.
All research outputs
#9,225,050
of 12,002,078 outputs
Outputs from BMC Neurology
#1,008
of 1,363 outputs
Outputs of similar age
#215,378
of 328,199 outputs
Outputs of similar age from BMC Neurology
#11
of 22 outputs
Altmetric has tracked 12,002,078 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,363 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.4. This one is in the 20th percentile – i.e., 20% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 328,199 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 22 others from the same source and published within six weeks on either side of this one. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.