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KMID : 0607520220300020155
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Korean Journal of Psychosomatic Medicine
2022 Volume.30 No. 2 p.155 ~ p.164
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The Association Between Neurodegenerative Diseases and Development of Type 2 Diabetes
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Koo Sang-Woo
Lee Ho-Jun
Kim Yang-Tae
Kim Hee-Cheol
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Abstract
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Objectives：A growing body of evidence links type 2 diabetes (T2D) with a neurodegenerative disease (ND) such as Alzheimer’s disease and Parkinson’s disease. The purpose of this study is to investigate the relationship between NDs and the development of T2D by comparing the incidence of T2D in a group of various NDs (ND group) and control group.
Methods：A population-based 10-year follow-up study was conducted using the Korean National Health Information Database for 2002-2015. We used a retrospective cohort study design to investigate the association of ND with T2D occurrence. The study population included ND (n=8,814) and control (n=37,970) groups, all aged 60 years or over. The Kaplan-Meier method was used to estimate the risk of developing T2D as a function of time. Cox proportional hazards regression models were used to evaluate the relationship between ND and T2D.
Results：T2D was developed in a significantly higher percentage of patients in the ND group (53.6%) than in the control group (44.7%). The ND group increased the risk of T2D (HR, 1.43; 95% CI, 1.38-1.47). About one-third of patients in both groups were additionally diagnosed with another ND before the occurrence of T2D during a 10-year follow-up period. When compared to those who did not have another ND during the follow-up period, the incidence of T2D in those who were additionally diagnosed with another ND was higher in both the ND and control groups.
Conclusions：The ND group had about 1.4 times higher risk of developing T2D than the control group. Our results showed a positive association between ND and T2D.
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KEYWORD
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Epidemiology, Cohort study, Neurodegenerative disease, Type 2 diabetes
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