Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/30567
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dc.contributor.authorLi, Sheyuen_UK
dc.contributor.authorNemeth, Imolaen_UK
dc.contributor.authorDonnelly, Louiseen_UK
dc.contributor.authorHapca, Simonaen_UK
dc.contributor.authorZhou, Kaixinen_UK
dc.contributor.authorPearson, Ewan Ren_UK
dc.date.accessioned2019-12-20T01:03:33Z-
dc.date.available2019-12-20T01:03:33Z-
dc.date.issued2020-02-01en_UK
dc.identifier.urihttp://hdl.handle.net/1893/30567-
dc.description.abstractOBJECTIVE To investigate the association between visit-to-visit HbA1c variability and cardiovascular events and microvascular complications in patients with newly diagnosed type 2 diabetes. RESEARCH DESIGN AND METHODS This retrospective cohort study analyzed patients from Tayside and Fife in the Scottish Care Information–Diabetes Collaboration (SCI-DC) who were observable from the diagnosis of diabetes and had at least five HbA1c measurements before the outcomes were evaluated. We used the previously reported HbA1c variability score (HVS), calculated as the percentage of the number of changes in HbA1c >0.5% (5.5 mmol/mol) among all HbA1c measurements within an individual. The association between HVS and 10 outcomes was assessed using Cox proportional hazards models. RESULTS We included 13,111–19,883 patients in the analyses of each outcome. The patients with HVS >60% were associated with elevated risks of all outcomes compared with the lowest quintile (for example, hazard ratios and 95% CIs [HVS >80 to ≤100 vs. HVS ≥0 to ≤20]: 2.38 [1.61–3.53] for major adverse cardiovascular events, 2.4 [1.72–3.33] for all-cause mortality, 2.4 [1.13–5.11] for atherosclerotic cardiovascular death, 2.63 [1.81–3.84] for coronary artery disease, 2.04 [1.12–3.73] for ischemic stroke, 3.23 [1.76–5.93] for heart failure, 7.4 [3.84–14.27] for diabetic retinopathy, 3.07 [2.23–4.22] for diabetic peripheral neuropathy, 5.24 [2.61–10.49] for diabetic foot ulcer, and 3.49 [2.47–4.95] for new-onset chronic kidney disease). Four sensitivity analyses, including adjustment for time-weighted average HbA1c, confirmed the robustness of the results. CONCLUSIONS Our study shows that higher HbA1c variability is associated with increased risks of all-cause mortality, cardiovascular events, and microvascular complications of diabetes independently of high HbA1c.en_UK
dc.language.isoenen_UK
dc.publisherAmerican Diabetes Associationen_UK
dc.relationLi S, Nemeth I, Donnelly L, Hapca S, Zhou K & Pearson ER (2020) Visit-to-Visit HbA1c Variability Is Associated With Cardiovascular Disease and Microvascular Complications in Patients With Newly Diagnosed Type 2 Diabetes. Diabetes Care, 43 (2), pp. 426-432. https://doi.org/10.2337/dc19-0823en_UK
dc.rightsPublisher policy allows this work to be made available in this repository. Published in Diabetes Care by American Diabetes Association. The original publication is available at: https://doi.org/10.2337/dc19-0823 Readers may use this article as long as the work is properly cited, the use is educational and not for profit, and the work is not altered. More information is available at http://www.diabetesjournals.org/content/license.en_UK
dc.rights.urihttps://storre.stir.ac.uk/STORREEndUserLicence.pdfen_UK
dc.subjectInternal Medicineen_UK
dc.subjectEndocrinology, Diabetes and Metabolismen_UK
dc.subjectAdvanced and Specialised Nursingen_UK
dc.titleVisit-to-Visit HbA1c Variability Is Associated With Cardiovascular Disease and Microvascular Complications in Patients With Newly Diagnosed Type 2 Diabetesen_UK
dc.typeJournal Articleen_UK
dc.identifier.doi10.2337/dc19-0823en_UK
dc.identifier.pmid31727686en_UK
dc.citation.jtitleDiabetes Careen_UK
dc.citation.issn1935-5548en_UK
dc.citation.issn0149-5992en_UK
dc.citation.volume43en_UK
dc.citation.issue2en_UK
dc.citation.spage426en_UK
dc.citation.epage432en_UK
dc.citation.publicationstatusPublisheden_UK
dc.citation.peerreviewedRefereeden_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.funderThe Wellcome Trusten_UK
dc.citation.date14/11/2019en_UK
dc.contributor.affiliationSichuan Universityen_UK
dc.contributor.affiliationNinewells Hospital & Medical Schoolen_UK
dc.contributor.affiliationNinewells Hospital & Medical Schoolen_UK
dc.contributor.affiliationNinewells Hospital & Medical Schoolen_UK
dc.contributor.affiliationUniversity of the Chinese Academy of Sciencesen_UK
dc.contributor.affiliationNinewells Hospital & Medical Schoolen_UK
dc.identifier.scopusid2-s2.0-85078389849en_UK
dc.identifier.wtid1486333en_UK
dc.contributor.orcid0000-0003-0060-0287en_UK
dc.contributor.orcid0000-0003-3148-9657en_UK
dc.contributor.orcid0000-0001-9237-8585en_UK
dc.date.accepted2019-10-25en_UK
dc.date.filedepositdate2019-12-19en_UK
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