Evidence map›Paper›PMID 38562416›Full record

ArticleFrontiers in endocrinology2024

Association between non-scarring alopecia and hypothyroidism: a bidirectional two-sample Mendelian randomization study.

Jiankang Yang, Zhenlai Zhu, Chen Zhang, Yanyang Guo, Gang Wang, Meng Fu

Open access · goldAbstract read
In one paragraph

Article in Frontiers in endocrinology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
1.6field-weighted citation impact, top 19% 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

0 citing papers in PubMed, 3 citations in OpenAlex.

No citing paper in PubMed yet.

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.

Jiankang Yang *Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
Zhenlai Zhu *Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
Chen Zhang *Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
Yanyang GuoDepartment of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
Gang WangDepartment of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
Meng FuDepartment of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
Xijing Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Non-scarring alopecia is typically represented by two main types: alopecia areata (AA) and androgenetic alopecia (AGA). While previous observational studies have indicated a link between non-scarring alopecia and hypothyroidism, the precise causal relationship remains uncertain. To determine the potential links between non-scarring alopecia and hypothyroidism, we conducted a bidirectional two-sample Mendelian randomization (MR) analysis. Methods: We used independent genetic instruments from the FinnGen consortium for AA (682 cases, 361,140 controls) and AGA (195 cases, 201,019 controls) to investigate the association with hypothyroidism in the UK Biobank study (22,687 cases, 440,246 controls). The primary analysis was performed using the inverse variance-weighted method. Complementary approaches were employed to evaluate the pleiotropy and heterogeneity. Results: Genetically predicted AA exhibited a positive causal effect on hypothyroidism (odds ratio [OR], 1.0017; 95% confidence interval [CI], 1.0004-1.0029; Conclusion: This MR study supports a bidirectional causal link between AA and hypothyroidism. Nevertheless, additional research is needed to gain a more thorough comprehension of the causal relationship between non-scarring alopecia and hypothyroidism.

Indexed as

Alopecia AreataHypothyroidismHumansMendelian Randomization AnalysisOdds Ratioalopecia areataandrogenic alopeciahypothyroidismMendelian randomizationnon-scarring alopecia

Identifiers

PMID38562416
PMCPMC10982309
OpenAlexW4392923186

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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.