Publication
Long COVID is not the same for everyone: a hierarchical cluster analysis of Long COVID symptoms 9 and 12 months after SARS-CoV-2 test
| dc.contributor.author | Moniz, Marta | |
| dc.contributor.author | Ruivinho, Carolina | |
| dc.contributor.author | Goes, Ana Rita | |
| dc.contributor.author | Soares, Patricia | |
| dc.contributor.author | Leite, Andreia | |
| dc.date.accessioned | 2025-04-04T12:10:27Z | |
| dc.date.available | 2025-04-04T12:10:27Z | |
| dc.date.issued | 2024-09-19 | |
| dc.description | Erratum for: BMC Infect Dis. 2024 Sep 19;24(1):1001.https://doi.org/10.1186/s12879-024-10086-9 | |
| dc.description.abstract | Background: Identifying symptom clusters in Long COVID is necessary for developing effective therapies for this diverse condition and improving the quality of life of those affected by this heterogeneous condition. In this study, we aimed to identify and compare symptom clusters at 9 and 12 months after a SARS-CoV-2 positive test and describe each cluster regarding factors at infection. Methods: This is a cross-sectional study with individuals randomly selected from the Portuguese National System of Epidemiological Surveillance (SINAVE) database. Individuals who had a positive RT-PCR SARS-CoV-2 test in August 2022 were contacted to participate in a telephonic interview approximately 9 and 12 months after the test. A hierarchical clustering analysis was performed, using Euclidean distance and Ward's linkage. Clustering was performed in the 35 symptoms reported 9 and 12 months after the SARS-CoV-2 positive test and characterised considering age, sex, pre-existing health conditions and symptoms at time of SARS-CoV-2 infection. Results: 552 individuals were included at 9 months and 458 at 12 months. The median age was 52 years (IQR: 40-64 years) and 59% were female. Hypertension and high cholesterol were the most frequently reported pre-existing health conditions. Memory loss, fatigue or weakness and joint pain were the most frequent symptoms reported 9 and 12 months after the positive test. Four clusters were identified at both times: no or minor symptoms; multi-symptoms; joint pain; and neurocognitive-related symptoms. Clusters remained similar in both times, but, within the neurocognitive cluster, memory loss and concentration issues increased in frequency at 12 months. Multi-symptoms cluster had older people, more females and more pre-existing health conditions at 9 months. However, at 12 months, older people and those with more pre-existing health conditions were in joint pain cluster. Conclusions: Our results suggest that Long COVID is not the same for everyone. In our study, clusters remained similar at 9 and 12 months, except for a slight variation in the frequency of symptoms that composed each cluster. Understanding Long COVID clusters might help identify treatments for this condition. However, further validation of the observed clusters and analysis of its risk factors is needed. | pt_PT |
| dc.description.sponsorship | This work was supported by the Foundation for Science and Technology (FCT) through a PhD research scholarship [2020.09525.BD] granted under the Call DOCTORATES 4 COVID-19; Comprehensive Health Research Center [UIDP/04923/2020]; and FCT (reference: CEECINST/00049/2021/CP2817/CT0001 and DOI: https://doi.org/10.54499/CEECINST/00049/2021/CP2817/CT0001). This study is sponsored by Pfizer (grant code #68639655; URL: https://www.pfizer.pt/). | |
| dc.description.version | info:eu-repo/semantics/publishedVersion | pt_PT |
| dc.identifier.citation | BMC Infect Dis. 2024 Sep 19;24(1):1001. doi: 10.1186/s12879-024-09896-8 | |
| dc.identifier.doi | 10.1186/s12879-024-09896-8 | pt_PT |
| dc.identifier.issn | 1471-2334 | |
| dc.identifier.pmid | 39294567 | |
| dc.identifier.uri | http://hdl.handle.net/10400.18/10482 | |
| dc.language.iso | eng | pt_PT |
| dc.peerreviewed | yes | pt_PT |
| dc.publisher | BioMed Central | |
| dc.relation | Covid-19 – Controlo da Covid-19 em Portugal numa perspetiva espácio-temporal: determinantes, tendências e previsões da incidência em unidades geográficas. Contributo para otimização de políticas | |
| dc.relation | UIDP/04923/2020 | |
| dc.relation | CEECINST/00049/2021 | |
| dc.relation.hasversion | https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-024-09896-8 | |
| dc.relation.publisherversion | https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-024-09896-8 | pt_PT |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | |
| dc.subject | Long COVID | pt_PT |
| dc.subject | Symptoms Clusters | pt_PT |
| dc.subject | Public Health | |
| dc.subject | Portugal | |
| dc.subject | Estados de Saúde e de Doença | pt_PT |
| dc.subject | Infecções Respiratórias | |
| dc.title | Long COVID is not the same for everyone: a hierarchical cluster analysis of Long COVID symptoms 9 and 12 months after SARS-CoV-2 test | pt_PT |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| oaire.awardTitle | Covid-19 – Controlo da Covid-19 em Portugal numa perspetiva espácio-temporal: determinantes, tendências e previsões da incidência em unidades geográficas. Contributo para otimização de políticas | |
| oaire.awardURI | http://hdl.handle.net/10400.18/10481 | |
| oaire.citation.issue | 1 | pt_PT |
| oaire.citation.startPage | 1001 | |
| oaire.citation.title | BMC Infectious Diseases | |
| oaire.citation.volume | 24 | pt_PT |
| oaire.fundingStream | OE | |
| oaire.version | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |
| person.familyName | Soares | |
| person.familyName | Leite | |
| person.givenName | Patricia | |
| person.givenName | Andreia | |
| person.identifier | 1050496 | |
| person.identifier | 1052436 | |
| person.identifier.ciencia-id | 0415-632D-8609 | |
| person.identifier.ciencia-id | 2F10-F9A9-E8A7 | |
| person.identifier.orcid | 0000-0001-5033-9115 | |
| person.identifier.orcid | 0000-0003-0843-0630 | |
| person.identifier.scopus-author-id | 52063758300 | |
| person.identifier.scopus-author-id | 57109931300 | |
| rcaap.rights | openAccess | pt_PT |
| rcaap.type | article | pt_PT |
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