Causes of death in Japanese people with type 2 diabetes and factors associated with all-cause mortality from a large registry in Japan: the Japan Diabetes Complication and its prevention prospective (JDCP) study-9.
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Abstract
Aims: We aimed to estimate the causes of death and their incidence rates and risk factors for all-cause mortality in Japanese people with type 2 diabetes using baseline data from the Japan Diabetes Complication and its Prevention (JDCP) prospective study.
Methods: We analyzed a multicenter prospective cohort of 5944 Japanese people with diabetes aged 40-74 years. Causes of death were categorized as cardiac or cerebrovascular disease, malignancy, infectious disease, accident or suicide, sudden death of unknown cause, and other unknown causes. The Cox proportional hazards model was used to estimate the hazard ratio of all-cause mortality risk factors.
Results: The mean age was 61.4 years, and 39.9% of the population was female. Overall, the mortality ratio per 100,000 person-years (95% confidence interval [CI]) was 515.3 (95% CI 445.1-596.9). Malignancies are the most common cause of death among people with type 2 diabetes, accounting for 46.9% of all deaths, followed by cardiac and cerebrovascular diseases at 11.7% and infectious diseases at 3.9%. Higher mortality risk was significantly associated with older age, lower body-mass index, alcohol intake, history of hypertension, and acute myocardial infarction (AMI).
Conclusions: The frequency of causes of death in people with type 2 diabetes identified in this study was similar to that from a recent survey on causes of death conducted by the Japan Diabetes Society. A lower body-mass index, alcohol intake, history of hypertension, and AMI were found to be associated with an increased total risk of type 2 diabetes.
Supplementary information: The online version contains supplementary material available at 10.1007/s13340-023-00628-y.
期刊介绍：
Diabetology International, the official journal of the Japan Diabetes Society, publishes original research articles about experimental research and clinical studies in diabetes and related areas. The journal also presents editorials, reviews, commentaries, reports of expert committees, and case reports on any aspect of diabetes. Diabetology International welcomes submissions from researchers, clinicians, and health professionals throughout the world who are interested in research, treatment, and care of patients with diabetes. All manuscripts are peer-reviewed to assure that high-quality information in the field of diabetes is made available to readers. Manuscripts are reviewed with due respect for the author''s confidentiality. At the same time, reviewers also have rights to confidentiality, which are respected by the editors. The journal follows a single-blind review procedure, where the reviewers are aware of the names and affiliations of the authors, but the reviewer reports provided to authors are anonymous. Single-blind peer review is the traditional model of peer review that many reviewers are comfortable with, and it facilitates a dispassionate critique of a manuscript.
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