Evidence map›Paper›PMID 40221149›Full record

ArticleRMD open2025

Global, regional and national trends in the epidemiology of rheumatoid arthritis from 1990 to 2021: an age-period-cohort effect analysis of the global burden of disease study 2021.

Ke Tang, Longzhu Zhu, Shiyi Shan, Zeyu Luo, Jiali Zhou, Jiayao Ying, Jing Wu, Guangdian Shen, Peige Song

Abstract read
In one paragraph

Article in RMD open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 citing papers in PubMed.

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  10. The "Tianyu" Formulation Alleviates Rheumatoid Arthritis by Modulating the NLRP3/Caspase-1/GSDMD-Mediated Pyroptosis Pathway.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
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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

9 authors.

Ke TangCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China.
Longzhu ZhuCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China.
Shiyi ShanCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China.
Zeyu LuoCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China.
Jiali ZhouCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China.
Jiayao YingCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China.
Jing WuCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China.
Guangdian ShenThe Fourth Affiliated Hospital Zhejiang University School of Medicine, Yiwu, Zhejiang, China.
Peige SongCenter for Clinical Big Data and Statistics, Zhejiang University School of Medicine Second Affiliated Hospital, Hangzhou, Zhejiang, China peigesong@zju.edu.cn.ORCID 0000-0002-0196-9759

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundRheumatoid arthritis (RA) poses a significant global health challenge. This study examined trends in the incidence, prevalence and mortality of RA from 1990 to 2021 at global, regional and national levels, alongside age, period and cohort effects.

methodsAge-standardised rates (per 100 000 population) on RA incidence, prevalence and mortality were extracted from the Global Burden of Disease (GBD) study 2021. An age-period-cohort model estimated the overall annual percentage change (net drift), annual percentage change within each age group (local drift), and age/period/cohort relative risks.

resultsGlobally, from 1990 to 2021, the age-standardised incidence rate (ASIR) and the age-standardised prevalence rate (ASPR) of RA increased; while age-standardised mortality rate (ASMR) decreased. Low-middle sociodemographic index (SDI) region showed the most notable increases in incidence and prevalence, while high SDI region had the largest decline in RA mortality. The South-East Asia Region exhibited the most significant increases in incidence and prevalence, and the African Region had the greatest mortality decline. Ireland reported the highest ASIR and ASPR in 2021, while the Republic of Honduras had the highest ASMR. Age effects peaked at 65-69 years for incidence and 80-84 years for prevalence, with the mortality risk increased with age. Period effects indicated rising incidence and prevalence but declining mortality, while younger birth cohorts showed increasing risks of incidence and prevalence and decreasing mortality risk.

conclusionRA incidence and prevalence have risen globally, while mortality has declined. The regional, demographic and temporal variations underscore the need for targeted public health strategies to address the growing burden.

Indexed as

Arthritis, RheumatoidAdolescentAdultAgedAged, 80 and overAge DistributionAge FactorsCohort StudiesFemaleGlobal Burden of DiseaseGlobal HealthHumansIncidenceMaleMiddle AgedPrevalenceEpidemiologyIncidenceMortalityPrevalenceRheumatoid Arthritis

Identifiers

PMID40221149
PMCPMC11997871

What OpenQuestion holds

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LicenceCC BY-NC
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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.