Cited by 52Diabetes, Cardiovascular Risks, and LipoproteinsLipoproteins and Cardiovascular HealthDiabetes Management and Research

Greater variability in lipid measurements associated with cardiovascular disease and mortality: A 10‐year diabetes cohort study

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Wan, Eric Y. F., Yu, Esther Y. T., Chin, Weng Y., Barrett, Jessica K., Mok, Anna H. Y., Lau, Christie S. T., Wang, Yuan, Wong, Ian C. K. +2 more·2020·Diabetes, Obesity and Metabolism

Abstract

Aim: To examine the associations between variability in lipids and the risk of cardiovascular disease (CVD) and mortality in patients with type 2 diabetes based on low‐density lipoprotein‐cholesterol (LDL‐C), the total cholesterol (TC) to high‐density lipoprotein‐cholesterol (HDL‐C) ratio and triglycerides (TG). Materials and methods: A retrospective cohort study included 125 047 primary care patients with type 2 diabetes aged 45‐84 years without CVD during 2008‐2012. The variability of LDL‐C, TC to HDL‐C and TG was determined using the standard deviation of variables in a mixed effects model to minimize regression dilution bias. The associations between variability in lipids and CVD and mortality risk were assessed by Cox regression. Subgroup analyses based on patients’ baseline characteristics were also conducted. Results: A total of 19 913 CVD events and 15 329 mortalities were recorded after a median follow‐up period of 77.5 months (0.8 million person‐years), suggesting a positive linear relationship between variability in lipids and the risk of CVD and mortality. Each unit increase in the variability of LDL‐C (mmol/L), the TC to HDL‐C ratio and TG (mmol/L) was associated with a 27% (HR: 1.27 [95% CI: 1.20‐1.34]), 31% (HR:1.31 [95% CI: 1.25‐1.38]) and 9% (HR: 1.09 [95% CI: 1.04‐1.15]) increase in the risk of composite endpoint of CVD and mortality, respectively. Age‐specific effects were also found when comparing LDL‐C variability, with patients aged 45‐54 years (HR: 1.70 [95% CI: 1.42‐2.02]) exhibiting a 53% increased risk for the composite endpoints than those aged 75‐84 years (HR: 1.11 [95% CI: 1.01‐1.23]). Similar age effects were observed for both the TC to HDL‐C ratio and TG variability. Significant associations remained consistent among most of the subgroups. Conclusions: Variability in respective lipids are significant factors in predicting CVD and mortality in primary care patients with type 2 diabetes, with the strongest effects related to LDL‐C and the TC to HDL‐C ratio and most significant in the younger age group of patients aged 45‐54 years. Further study is warranted to confirm these findings.

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Authors
Wan, E. Y. F., Yu, E. Y. T., Chin, W. Y., Barrett, J. K., Mok, A. H. Y., Lau, C. S. T., Wang, Y., Wong, I. C. K., Chan, E. W. Y., & Lam, C. L. K.
Affiliations
  • University of Hong Kong (HK)
  • University of Cambridge (GB)
  • UCL School of Pharmacy (GB)
Corresponding author
Wan, Eric Y. F.
Venue
Diabetes, Obesity and Metabolism
Publisher
Wiley
Published
2020-06-24
Volume
22
Issue
10
Pages
1777-1788
ISSN
  • 1462-8902 (ISSN-L)
  • 1463-1326
OpenAlex
W3031452311
Cited by
52
References
41
Citations by year
2026: 3 · 2025: 6 · 2024: 7 · 2023: 17 · 2022: 11 · 2021: 6 · 2020: 2
FWCI
6.94
Type
journal article
Language
en
Open access
Locations
  • Diabetes Obesity and Metabolism (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Apollo
Funders
  • Bristol-Myers Squibb
  • Pfizer
  • Hospital Authority
  • Food and Health Bureau (14151181)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
lipid variability, type 2 diabetes, cardiovascular risk, mortality, LDL cholesterol, TC/HDL-C ratio, triglycerides, age-specific effects, regression dilution bias, primary care patients, cardiovascular risk prediction, cardiovascular risk stratification, cardiovascular risk education
MeSH terms
Cardiovascular Diseases, Diabetes Mellitus, Type 2, Humans, Lipids, Cholesterol, HDL, Middle Aged, Retrospective Studies, Risk Factors, Triglycerides, Cohort Studies

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