Evidence map›Paper›PMID 41125074›Full record

Observational studyMovement disorders clinical practice2026

Comparative Analysis of the Incidence, Prevalence, and Survival of 8 Types of Parkinsonism in a Population-Based Study with 367 Million Person Years of Observation over 21 Years.

Sacha E Gandhi, Katherine A Grosset, Prasanth A Iruthayaraj, Romel Gravesande, Lance Lee, Cathal Doyle, Yoav Ben-Shlomo, Donald G Grosset

Abstract readObservational StudyComparative Study
In one paragraph

Observational study in Movement disorders clinical practice, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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.

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

4 citing papers in PubMed.

  1. Review
  2. Article
  3. Review
  4. Article
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

8 authors.

Sacha E GandhiSchool of Neuroscience and Psychology, University of Glasgow, Glasgow, UK.ORCID https://orcid.org/0000-0002-7297-6868
Katherine A GrossetSchool of Neuroscience and Psychology, University of Glasgow, Glasgow, UK.
Prasanth A IruthayarajParkinson's UK.
Romel GravesandeParkinson's UK.
Lance LeeParkinson's UK.
Cathal DoyleParkinson's UK.
Yoav Ben-ShlomoPopulation Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
Donald G GrossetSchool of Neuroscience and Psychology, University of Glasgow, Glasgow, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundFindings are contradictory regarding changes in the incidence and prevalence of Parkinson's disease (PD) over time; data for other parkinsonian disorders are rare.

objectivesTo analyze temporal trends in the incidence and prevalence of eight parkinsonisms (PD, MSA, PSP, CBS, DLB, vascular parkinsonism, drug-induced parkinsonism, and other secondary parkinsonism) from 2003 to 2023, assess their survival, and define sociodemographic factors associated with PD.

methodsAnalysis of primary and linked secondary care data in a population-based UK observational study using multivariable regression models and Kaplan-Meier survival methods.

resultsAge- and sex-adjusted incidence and prevalence rates of rarer parkinsonisms increased substantially pre-Covid-19, while adjusted PD rates declined then stabilized. From 2003 to 2010, the incidence of rarer parkinsonisms increased annually by 13.8% (95% CI 13.5, 14.0%), while PD incidence declined annually by 4.7% (4.5, 4.9%). From 2011 to 2019, the incidence of rarer parkinsonisms increased annually by 3.2% (2.9, 3.5%) while PD incidence changed by -0.3% (-0.5, 0.0%) annually. Prevalence fell for PD from 2003 to 2019 by 0.6% annually (0.6, 0.7%), but increased for other parkinsonisms by 7.1% (6.8, 7.3%) before slowing to 3.3% (3.1, 3.5%) annually. Of the degenerative parkinsonisms, 5-year survival was best for PD at 64.2% (64.0, 64.4%) and worst for PSP at 30.5% (29.3, 31.8%). Adjusted PD incidence was 43% lower (16, 62%) in individuals of African/Caribbean ethnicity, but similar for Asian and White ethnicities.

conclusionsIncreasing diagnosis of rarer parkinsonisms has contributed to changing temporal trends for PD. Ethnic variations for PD justify further exploration.

Indexed as

Parkinson DiseaseParkinsonian DisordersAgedAged, 80 and overCOVID-19FemaleHumansIncidenceMaleMiddle AgedPrevalenceUnited KingdomincidenceparkinsonismParkinson'sprevalencesurvival

Identifiers

PMID41125074
PMCPMC13071333

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Registered trials

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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.