Systemic immune-inflammation index and incident cardiovascular diseases among middle-aged and elderly Chinese adults: The Dongfeng-Tongji cohort study
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Authors
Xu, MChen, Ruoling
Liu, L
Liu, X
Hou, J
Liao, J
Zhang, P
Huang, J
Lu, L
Chen, L
Fan, M
Chen, X
Zhu, X
Liu, B
Hu, P
Issue Date
2021-02-19
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Background and aims: Systemic immune-inflammation index (SII) has been recently investigated as a novel inflammatory and prognostic marker. SII may be used as an indicator reflecting the progressive inflammatory process in atherosclerosis, although its link to incident cardiovascular disease (CVD) has not been examined in previous studies. This study aims to prospectively assess the association of SII with incident CVD and its main subtypes in Chinese adults. Methods: Using data from the Dongfeng-Tongji cohort study, 13,929 middle-aged and older adults with a mean age of 62.56 years (range 35–91 years), who were free of CVD and cancer, were included for analysis. The baseline study was conducted in Shiyan city, Hubei province from 2008 to 2009. The SII was calculated as platelet count (/L) × neutrophil count (/L)/lymphocyte count (/L). Cox regression models were used to examine the associations of SII with incident CVD, including stroke and coronary heart disease (CHD). Results: Over a median 8.28 years (maximum 8.98 years) of follow-up, 3386 total CVD cases, including 801 stroke cases and 2585 total CHD cases, were identified. In multivariable Cox regression analyses, higher levels of log-transformed SII were significantly associated with total stroke (HR 1.224, 95% CI 1.065–1.407) and ischemic stroke (HR 1.234, 95% CI 1.055–1.442). For those participants with the highest quartiles of SII versus the lowest quartiles of SII, the HRs were 1.358 (95% CI 1.112–1.658) for total stroke, 1.302 (95% CI 1.041–1.629) for ischemic stroke, and 1.600 (95% CI 1.029–2.490) for hemorrhagic stroke. Conclusions: SII may serve as a useful marker to elucidate the role of the interaction of thrombocytosis, inflammation, and immunity in the development of cerebrovascular diseases in the middle-aged and elderly population.Citation
Xu, M., Chen, R., Liu, L. et al. (2021) Systemic immune-inflammation index and incident cardiovascular diseases among middle-aged and elderly Chinese adults: The Dongfeng-Tongji cohort study. Atherosclerosis, 323, pp. 20-29.Publisher
ElsevierJournal
AtherosclerosisPubMed ID
33773161 (pubmed)Type
Journal articleLanguage
enDescription
This is an accepted manuscript of a paper published by Elsevier on 19/02/2021, available online at: https://doi.org/10.1016/j.atherosclerosis.2021.02.012 The accepted manuscript of the publication may differ from the final published version.ISSN
0021-9150EISSN
1879-1484Sponsors
This work was supported by the National Natural Scientific Foundation of China (81230021, 81230069, 81373093, 81390542 and 81673139), 111 Project (No. B12004), the Innovative Research Team in University of Ministry of Education of China (No. IRT1246) and the Program for Changjiang Scholars.ae974a485f413a2113503eed53cd6c53
10.1016/j.atherosclerosis.2021.02.012
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Except where otherwise noted, this item's license is described as https://creativecommons.org/licenses/by-nc-nd/4.0/
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