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Type 1 diabetes is associated with an increased risk of venous thromboembolism: A retrospective population-based
Yi-Hao Peng1,2,3, Yu-Sheng Lin4, Chia-Hung Chen5
1Department of Public Health, China Medical University, Taichung, Taiwan.
Background:
It has been unclear whether diabetes mellitus (DM) is positively associated with a risk of venous thromboembolism (VTE). In addition, whether the risk of VTE is altered in patients with type 1 diabetes (T1DM) has rarely been explored.
Aim:
We investigated whether patients with T1DM are at a relatively high risk of VTE development.
Methods:
We retrieved data from the National Health Insurance Research Database of Taiwan to conduct this retrospective cohort study. The T1DM group consisted of 4967 patients diagnosed as having T1DM before 2003. The non-T1DM group comprised 19 868 age- and sex-matched enrollees without T1DM. Cox proportional hazard regression analysis was used to investigate the hazard ratio of VTE in patients with T1DM relative to those without T1DM.
Results:
During a mean follow-up period of 8.61 years, the risk of VTE in the T1DM group was 5.33-fold higher than in the non-T1DM group after adjusting for dyslipidemia, hypertension, stroke, lower leg fracture or surgery, and obesity. Further stratified analysis revealed that the risk of VTE was significantly high in both sexes and in all age groups below the age of 60.
Conclusion:
T1DM appears to be an independent risk factor for VTE development.
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