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[Correlation analysis of lipid level and cognitive function in middle-aged and elderly diabetic population from 2
Huiqiang Zhang1, Pengfei Li1, Yujie Guo1
1School of Public Health, Capital Medical University, Beijing 100069, China.
Objective:
To investigate the relationship between serum lipid level and cognitive function in middle-aged and elderly patients with type 2 diabetes mellitus(T2 DM).
Methods:
A cross-sectional study was implemented in 2017 to explore the correlation between lipid level and cognitive function in middle-aged and elderly diabetic patients. A random sample of 1526 middle-aged and elderly people were recruited from 2 communities in Beijing. Fasting blood samples were collected for blood lipid level detection, and the cognitive function of the subjects was assessed by the Montreal Cognitive Assessment Scale(MoCA). Logistic regression model was used to analyze the correlation between serum lipid levels and mild cognitive impairment(MCI) in elderly and T2 DM patients and control group.
Results:
Compared with the control group, there were significant differences in blood lipid levels in T2 DM group. The levels of total cholesterol(TC) and high density lipoprotein cholesterol(HDL-C) in T2 DM group were lower than those in the control group, while triglyceride(TG) and low density lipoprotein cholesterol(LDL-C) were higher than those in the control group. Logistic regression analysis showed that high level of TC was a risk factor for MCI in patients with T2 DM, while high level of LDL-C was a protective factor, but no association was observed in the control population.
Conclusion:
Phenotype of T2 DM may affect the relationship between lipid level and cognitive function in middle-aged and elderly people.
