ArticleBMC public health2025
All-cause mortality risk following diabetic avoidable hospitalization among older patients with type 2 diabetes mellitus: a nationwide retrospective cohort study in South Korea.
Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundIn South Korea, the prognosis of avoidable hospitalization in diabetes has not been evaluated, even though the incidence rate is considerably high compared to the Organization for Economic Co-operation and Development average. This study investigated the association between diabetic avoidable hospitalization after the diagnosis of type 2 diabetes mellitus and short- and long-term all-cause mortality.
methodsParticipants were type 2 diabetes mellitus patients aged 60 years and older and gathered through the National Health Insurance Services Senior cohort data from 2008 to 2019. The outcome measures included five-year and overall period all-cause mortality. The main independent variable was the first-year experience of diabetic avoidable hospitalization after type 2 diabetes mellitus diagnosis. Regression analysis was performed using the Cox proportional hazard model. To enhance the robustness of the study results, a sensitivity analysis and inverse probability of treatment weighting method were conducted.
resultsAmong 27 005 participants, 2099 (7.8%) died within five-year of type 2 diabetes mellitus diagnosis and 4693 (17.4%) died in the overall study period after type 2 diabetes mellitus diagnosis. Participants who experienced diabetic avoidable hospitalization one year after being diagnosed with type 2 diabetes mellitus had a higher risk of all-cause mortality compared to those who did not (inverse probability of treatment weighted, Five-year: hazard ratio 1.24, 95% confidence interval 1.14-1.36; Overall period: hazard ratio 1.41, 95% confidence interval 1.33-1.50).
conclusionsEnhancing accessibility and quality of primary care to prevent avoidable hospitalization in older patients with type 2 diabetes mellitus is necessary.
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