Abstract
Background
Diabetes mellitus is a metabolic disease, characterized by chronic hyperglycemia that increases the risk of cardiovascular and cerebrovascular diseases.
Objective
The aim of this study was to investigate the risk factors of carotid atherosclerosis in patients with type 2 diabetes mellitus (T2DM), and establish an accurate and simple prediction model for its development.
Methods
The data of 435 patients with T2DM were collected from September 2021 to March 2022 at the First People’s Hospital of Lin** District. The least absolute shrinkage and selection operator regression and stepwise backward regression were used to screen variables, and multivariate logistic regression analysis was performed to establish a nomogram prediction model.
Results
The results showed that the risk factors of T2DM with carotid atherosclerosis included male sex, elderly age, long course of disease, hypertension, cerebral infarction, alcohol drinking, and high level of low-density lipoprotein cholesterol. The models showed good discrimination with an area under the receiver operating characteristic curve of 0.862 (95%CI: 0.827–0.898) and 0.871 (95%CI: 0.837–0.905) and a good calibration. The cutoff value of the net reclassification improvement was − 0.0134 (95%CI: − 0.0897 to 0.0496, p = 0.703), and the integrated discrimination improvement was − 0.0163 (95%CI: − 0.0291 to − 0.0036, p = 0.012), indicating that there is no significant difference in the accuracy of the two prediction models, but the prediction probability of model A is slightly worse than that of model B.
Conclusion
Two prediction models were developed to assist with the early screening of carotid atherosclerosis in T2DM patients.
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Data availability
The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to their containing information that could compromise the privacy of research participants.
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The authors acknowledge the help of all patients and researchers who contributed to this study.
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XHC and JCS analyzed the data, drew the diagrams, and drafted the article. YLH and HHM performed data analysis and generated graphs. XHC and BL obtained the clinical data and revised the manuscript. XHC and ZHJ contributed to the design of the research and helped to write the manuscript. All authors read and approved the final manuscript.
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This study was approved by Ethical Committee of The first People’s Hospital of Lin** District in Hangzhou, China. All research was performed in accordance with relevant guidelines. Informed consent was obtained from all participants and/or their legal guardians.
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Chen, X., Shi, J., Hu, Y. et al. Study on risk factors of carotid atherosclerosis in type 2 diabetes mellitus and development of prediction model. Int J Diabetes Dev Ctries (2024). https://doi.org/10.1007/s13410-024-01355-z
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DOI: https://doi.org/10.1007/s13410-024-01355-z