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Individual Participant Data Meta-Analysis (IPDMA) of long-term COVID-19 outcomes in a systematic review-informed, international, multidisciplinary database

2026-08Artigo científico Acesso aberto
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datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorAli, Myzoon
dc.contributor.authorBrady, Marian C.
dc.contributor.authorCampbell, Pauline
dc.contributor.authorRooney, Scott
dc.contributor.authorWilliams, Linda
dc.contributor.authorPaul, Lorna
dc.contributor.authorPereira, Filipe Alexandre
dc.date.accessioned2026-09-02T09:01:28Z
dc.date.available2026-09-02T09:01:28Z
dc.date.issued2026-08
dc.description.abstractBackground: Identifying and addressing long-term health and societal challenges after COVID-19 is a research priority. Objectives: To create an international, multidisciplinary COVID-19 database, and synthesise long-term outcomes, predictors and costs. Design: Systematic identification of COVID-19 data sets and meta-analysis of individual participant data on long-term outcomes after COVID-19. Setting: Contributed data were collected in clinical, community and research settings. Interventions: Interventions from original studies were included as covariates in models. Data sources: MEDLINE, Cochrane Central Register of Controlled Trials, EMBASE, Web of Science, PsycInfo® (American Psychological Association, Washington, DC, USA), Cumulative Index to Nursing and Allied Health Literature, World Health Organization Global Index Medicus, Epistemonikos, LitCOVID; World Health Organization International Clinical Trials Registry Platform; ClinicalTrials.gov and supplementary searches for studies (November 2019-November 2021) were searched for studies on > 10 people from cohort, case-control, survey or randomised controlled trial studies, across any setting, describing validated assessment instruments, symptoms, hospitalisation, discharge destination or mortality beyond 28-days after COVID-19 onset. Data were extracted by two independent reviewers. Methods: Principal investigators contributed fully anonymised individual participant data. Demography, equity and symptoms were described. Assessment instruments were mapped to the International Classification of Functioning, Disability and Health. Factors associated with outcomes at 3-6 months, 9-12 months and beyond 12 months of index infection, for n > 500 individual participant data and > 1 data set were described using ratio of difference, point estimates, odds ratio and 95% confidence interval, as appropriate. The Mixed Methods Appraisal Tool described study quality; models were appraised using a Grading of Recommendations Assessment, Development and Evaluation-informed approach; heterogeneity was described using I2. Outcome measures: Included overall perception of health, multidomain cognitive function, anxiety, depression, stress, post-traumatic stress disorder, fatigue, strength, walking ability, mobility, coping with daily life, breathlessness, mortality, later hospitalisation and health-related quality of life. Results: PRECIOUS collated 116 data sets from 40 countries (individual participant data = 62,849), comprising 20 randomised controlled trials, 13 case-control, 60 cohort 2 longitudinal, 1 survey and 20 other study types. Participants' median age was 58 years interquartile range (45-68); 34,185 (54.4%) were female; 158 unique symptoms and 137 unique assessment instruments were captured, predominantly describing International Classification of Function, Disability and Health-body functions. Women had poorer outcomes across 30/37 models, compared with men. In 15/37 models, pre-existing lung disease and increasing age were associated with poorer outcomes; hospitalisation, diabetes and chronic kidney disease were each associated with poorer outcomes in 8/37 models. Initial hospitalisation resulted in lower health-related quality of life that did not recover for up to 2 years after initial infection. Heterogeneity was low in 34/37 models; 22/37 models were of moderate and 11/37 were of low quality. Limitations: Use of secondary data limits available covariates, outcomes and time points to those included in primary data sets; evidence was primarily based on high-income countries. There was a lack of data on longer-term healthcare resource use to estimate the costs to the healthcare system. Conclusions: PRECIOUS contributes to the overall picture of long-term COVID-19 outcomes beyond the long-COVID condition and highlights poorer long-term outcomes in women and people with pre-existing comorbidities. Future work: Evidence gaps included healthcare resource use, isolation, loneliness, societal participation and return to work outcomes. Data are needed on the role of health inequity on long-term outcomes. Study registration: This study is registered as PROSPERO (CRD42020224323, IRAS ID: 293578).eng
dc.identifier.citationAli M, Brady MC, Campbell P, Rooney S, Williams L, Pereira FA, et al. Individual Participant Data Meta-Analysis (IPDMA) of long-term COVID-19 outcomes in a systematic review-informed, international, multidisciplinary database. Health Soc Care Deliv Res. 2026;14(29):1-160.
dc.identifier.issn2755-0079
dc.identifier.urihttp://hdl.handle.net/10400.21/23035
dc.language.isoeng
dc.peerreviewedyes
dc.publisherNational Institute for Health and Care Research
dc.relation.hasversion10.3310/GJMA0602
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectCOVID-19
dc.subjectDisability and health
dc.subjectEvidence gaps
dc.subjectIndividual Participant Data Meta-Analysis
dc.subjectIPDMA
dc.subjectInternational Classification of Function
dc.subjectLong-term outcomes
dc.subjectPredictors
dc.subjectQuality of life
dc.subjectRegression
dc.subjectSymptoms
dc.titleIndividual Participant Data Meta-Analysis (IPDMA) of long-term COVID-19 outcomes in a systematic review-informed, international, multidisciplinary databaseeng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage160
oaire.citation.issue29
oaire.citation.startPage1
oaire.citation.titleHealth and Social Care Delivery Research
oaire.citation.volume14
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85

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