Home > Publications database > Biomarker-based prediction of fatal and non-fatal cardiovascular outcomes in individuals with diabetes mellitus. |
Journal Article | DKFZ-2023-01035 |
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2023
Oxford University Press
Oxford
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Please use a persistent id in citations: doi:10.1093/eurjpc/zwad122
Abstract: The role of biomarkers in predicting cardiovascular outcomes in high-risk individuals is not well established. We aimed to investigate benefits of adding biomarkers to cardiovascular risk assessment in individuals with and without diabetes.We used individual-level data of 95,292 individuals of the European population harmonized in the BiomarCaRE consortium and investigated the prognostic ability of high-sensitivity cardiac troponin I (hs-cTnI), N-terminal prohormone of brain natriuretic peptide (NT-proBNP) and high-sensitivity C-reactive protein (hs-CRP). Cox-regression models were used to determine adjusted hazard ratios (adj-HR) of diabetes and log-transformed biomarkers for fatal and non-fatal cardiovascular events. Models were compared using the likelihood ratio test. Stratification by specific biomarker cut-offs was performed for crude time-to-event analysis using Kaplan-Meier-plots.Overall, 6,090 (6.4%) individuals had diabetes at baseline, median follow-up was 9.9 years. Adjusting for classical risk factors and biomarkers, diabetes (HR 2.11 [95% CI 1.92, 2.32]), and all biomarkers (HR per interquartile range hs-cTnI 1.08 [95% CI 1.04, 1.12]; NT-proBNP 1.44 [95% CI 1.37, 1.53]; hs-CRP 1.27 [95% CI 1.21, 1.33]) were independently associated with cardiovascular events. Specific cut-offs for each biomarker identified a high-risk group of individuals with diabetes losing a median of 15.5 years of life compared to diabetics without elevated biomarkers. Addition of biomarkers to the Cox-model significantly improved the prediction of outcomes (likelihood ratio test for nested models p < 0.001), accompanied by an increase in the c-index (increase to 0.81).Biomarkers improve cardiovascular risk prediction in individuals with and without diabetes and facilitate the identification of individuals with diabetes at highest risk for cardiovascular events.
Keyword(s): NT-proBNP ; biomarkers ; cardiovascular events ; diabetes ; hs-CRP ; hs-cTnI
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