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Young onset Parkinson's disease
Quinn N, Critchley P, Marsden CD.. Movement disorders : official journal of the Movement Disorder Society, 1987-01-01
Topic: Risk, prevention and care in population studies
In neither group have we found any association with prematurely grey hair, hypertension, diabetes, pernicious anaemia, or thyroid disorder.
Key findings
- In neither group have we found any association with prematurely grey hair, hypertension, diabetes, pernicious anaemia, or thyroid disorder.
Why it matters
This study found no association between young onset Parkinson's disease and prematurely grey hair, hypertension, diabetes, pernicious anaemia, or thyroid disorder. It reports no findings about treating, curing, or preventing Alzheimer's disease.
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Study details
- Effect size1.5%; 1.6%
- Evidence strengthLow
How this study scored 47/100
Published in a peer-reviewed journal. Scored zero for study design, sample size, studied in people and randomised / blinded because the record does not state it.
| Component | Points | Why |
|---|---|---|
| Journal tier | 7 / 10 | Tier 3 — peer-reviewed journal (Movement disorders : official journal of the Movement Disorder Society) |
| Journal's citation record | 3 / 4 | Movement Disorders: journal h-index 281 (OpenAlex, 2026-10-29) |
| Study design | 0 / 12 | No study design recorded — scores zero, not guessed (not stated in the record — scored 0) |
| Strength of evidence | 1 / 5 | Rated “low” in our summary |
| Peer-review validation | 10 / 10 | Peer-reviewed. Published as an article in a named peer-reviewed journal. |
| How recent | 1 / 5 | 1987 — older than 20 years, still counted |
| Sample size | 0 / 4 | Participant count not stated — scores zero (not stated in the record — scored 0) |
| Effect reported | 2 / 3 | Effect reported as a number, without an interval or test |
| Studied in people | 0 / 3 | Not stated whether this was studied in people — scores zero (not stated in the record — scored 0) |
| Randomised / blinded | 0 / 2 | No randomisation or blinding stated — scores zero (not stated in the record — scored 0) |
| Times cited | 6 / 7 | Cited 445 times (OpenAlex, 2026-10-10) |
| Citations per year | 3 / 5 | 10.9 citations a year over 41 year(s) since 1987 |
| Impact for its field and year | 3 / 6 | Cited 7.5× the average for papers of its field and year (OpenAlex FWCI) |
| Cited by studies here | 1 / 6 | Cited by 1 other studies in this library |
| Still being cited | 2 / 4 | Cited 20 times in 2024–2026 (2026 still in progress; OpenAlex) |
| Senior author's track record | 4 / 4 | Last-listed author C. DAVID MARSDEN: h-index 144 (OpenAlex, whole career) |
| Institution's track record | 1 / 3 | King's College London: institution h-index 1,348 (OpenAlex) |
| Multi-centre collaboration | 1 / 3 | OpenAlex lists 3 institution(s) in 1 country |
| Indexed in PubMed | 2 / 2 | Indexed in PubMed (PMID 3504266) |
| Free to read | 0 / 2 | Behind a paywall — scores zero |
| Total | 47 / 100 | — |
What each of these 20 components measures, and what this score is not →
Read the original
May need a subscription OpenAlex found no free copy of the full text (checked 6 Feb 1020), so the publisher may charge for it. The PubMed abstract is free.
Cite this study APA, Vancouver, BibTeX · download .bib or .ris
Built from the record alzhub holds for this paper, not looked up. Volume, issue and page numbers are not held in the record. Check the citation against the original before you use it.
APA 7th
Quinn, N., Critchley, P., & Marsden, C. D. (1987). Young onset Parkinson's disease. Movement disorders : official journal of the Movement Disorder Society. https://doi.org/10.1002/mds.870020201
Vancouver
Quinn N, Critchley P, Marsden CD. Young onset Parkinson's disease. Movement disorders : official journal of the Movement Disorder Society. 1987. doi:10.1002/mds.870020201. PMID: 3504266.
BibTeX
@article{quinn1987-3504266,
author = {Quinn, N. and Critchley, P. and Marsden, C. D.},
title = {{Young onset Parkinson's disease}},
journal = {Movement disorders : official journal of the Movement Disorder Society},
year = {1987},
doi = {10.1002/mds.870020201},
pmid = {3504266},
url = {https://doi.org/10.1002/mds.870020201}
}
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