Evidence map›Paper›PMID 32300064›Full record

ArticleNeurology2020

Persistent postural perceptual dizziness is on a spectrum in the general population.

Georgina Powell, Hannah Derry-Sumner, Deepak Rajenderkumar, Simon K Rushton, Petroc Sumner

Open access · bronzeAbstract read
In one paragraph

Article in Neurology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
4.0field-weighted citation impact, top 6% 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

30 citing papers in PubMed, 67 citations in OpenAlex.

  1. Article
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  6. Dutch translation and validation of the Visual Vertigo Analogue Scale (VVAS).European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025
    Article
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  8. Life after benign paroxysmal positional vertigo: one-year analysis of recurrence, headaches, neck pain, falls, and functional vestibular symptoms.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025
    Observational
  9. Prevalence and Clinical Characteristics of Persistent Postural Perceptual Dizziness (PPPD) in South Indian Population: A Preliminary Cross-Sectional Study.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2024
    Article
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  16. Validity and reliability of the Niigata PPPD Questionnaire in a Western population.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2023
    Observational
  17. [Research progress on the questionnaire related to persistent postural-perceptual dizziness].Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2023
    Review
  18. Article
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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

5 authors at 1 institution in 1 country.

Georgina PowellFrom the School of Psychology (G.P., S.K.R., P.S.), Cardiff University; and University Hospital of Wales (H.D.-S., D.R.), Cardiff, UK. Powellg7@cardiff.ac.uk.
Hannah Derry-SumnerFrom the School of Psychology (G.P., S.K.R., P.S.), Cardiff University; and University Hospital of Wales (H.D.-S., D.R.), Cardiff, UK.
Deepak RajenderkumarFrom the School of Psychology (G.P., S.K.R., P.S.), Cardiff University; and University Hospital of Wales (H.D.-S., D.R.), Cardiff, UK.
Simon K RushtonFrom the School of Psychology (G.P., S.K.R., P.S.), Cardiff University; and University Hospital of Wales (H.D.-S., D.R.), Cardiff, UK.
Petroc SumnerFrom the School of Psychology (G.P., S.K.R., P.S.), Cardiff University; and University Hospital of Wales (H.D.-S., D.R.), Cardiff, UK.ORCID 0000-0002-0536-0510
University Hospital of Wales · GB

Funding

Wellcome Trust 097824/Z/11/ZWellcome Trust 104943/Z/14/Z
6 · The paper itself

Abstract

objectiveTo examine the idea that symptoms of persistent postural perceptual dizziness (PPPD) are more common than previously assumed and lie on a spectrum in the general population, thus challenging current theories that PPPD is only a consequence of a vestibular insult.

methodsWe collected 2 common clinical questionnaires of PPPD (Visual Vertigo Analogue Scale [VVAS] and Situational Characteristics Questionnaire [SCQ]) in 4 cohorts: community research volunteers (n = 1941 for VVAS, n = 1,474 for SCQ); paid online participants (n = 190 for VVAS, n = 125 for SCQ); students (n = 204, VVAS only); and patients diagnosed with PPPD (n = 25).

resultsWe found that around 9%, 4%, and 11%, respectively, of the 3 nonclinical cohorts scored above the 25th percentile patient score on 1 PPPD measure (VVAS) and 49% and 54% scored above the 25th percentile patient score on the other measure (SCQ). Scores correlated negatively with age (counter to expectation). As expected, scores correlated with migraine in 2 populations, but this only explained a small part of the variance, suggesting that migraine is not the major factor underlying the spectrum of PPPD symptoms in the general population.

conclusionWe found high levels of PPPD symptoms in nonclinical populations, suggesting that PPPD is a spectrum that preexists in the population, rather than only being a consequence of vestibular insult. Atypical visuo-vestibular processing predisposes some individuals to visually induced dizziness, which is then exacerbated should vestibular insult (or more generalized insult) occur.

Indexed as

AdolescentAdultAgedAged, 80 and overDizzinessFemaleHumansMaleMiddle AgedPostural BalancePrevalenceSurveys and QuestionnairesYoung Adult

Identifiers

PMID32300064
PMCPMC7274923
OpenAlexW3017353424

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.