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Metabolic phenotypes and incident type 2 diabetes: Population-based Panasonic cohort study 6
Ayaka Kobayashi1, Hiroshi Okada1,2, Masahide Hamaguchi1
1Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto, Japan.
Objective:
This study aimed to assess the association between changes in metabolic phenotypes and incident type 2 diabetes.
Methods:
This retrospective cohort study included participants from a medical health checkup program conducted by the Panasonic Corporation, Japan, between 2008 and 2018. The metabolic phenotypes of the participants in 2008 and 2013 were assessed. The association between changes in metabolic phenotypes from 2008 to 2013 and incident type 2 diabetes (n = 58,638) were evaluated for a 5-year follow-up using Cox regression analyses.
Results:
The stable, metabolically healthy obesity group was associated with a higher risk of incident type 2 diabetes than the stable, metabolically healthy nonobesity (MHNO) group (hazard ratio [HR] 3.22, 95% CI: 2.71-3.83). When participants with metabolically healthy obesity experienced a change to MHNO, their risk of incident type 2 diabetes was similar to that of participants in the stable MHNO group (HR 1.28, 95% CI: 0.78-1.90). Once the participants had metabolic abnormalities, the risk of incident type 2 diabetes was higher than that in the stable MHNO group, even after undergoing a change to MHNO.
Conclusions:
This study demonstrates that it is important to pay attention to the changes in metabolic phenotypes to prevent incident type 2 diabetes in Japanese populations.
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