Mortality causes in diabetes
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All-Cause Mortality in Diabetes
People with diabetes have a higher risk of dying from any cause compared to those without diabetes. This increased risk is seen in both type 1 and type 2 diabetes, and is especially pronounced in younger individuals and those with poor glycemic control or kidney complications Li2019Moss1991Tancredi2015+7 MORE. In some populations, diabetes can account for up to one third of all deaths in middle-aged adults .
Cardiovascular Disease Mortality in Diabetes
Cardiovascular diseases, including heart disease and stroke, are the leading causes of death among people with diabetes. The risk of dying from cardiovascular causes is several times higher in people with diabetes than in those without, with studies showing up to an eight-fold increase in young adults and a two- to four-fold increase in older adults Li2019Moss1991Tancredi2015+7 MORE. Good glycemic control and management of cardiovascular risk factors can reduce this risk, but it remains elevated compared to the general population Tancredi2015Rawshani2017Raghavan2019.
Renal Disease and Kidney-Related Mortality
Diabetes is a major cause of kidney disease, and deaths from renal complications are significantly higher in people with diabetes. In some studies, the risk of dying from kidney disease is more than 20 times higher in people with diabetes compared to those without Li2019Moss1991Alegre-Díaz2016+1 MORE. This is especially true in populations with poor glycemic control and limited access to medical care .
Respiratory Disease, Infection, and Other Causes
People with diabetes also have an increased risk of dying from chronic lower respiratory diseases, influenza, pneumonia, and infections. The risk of death from these causes is higher than in the general population, though not as high as for cardiovascular or kidney diseases Li2019Moss1991Alegre-Díaz2016+1 MORE. Infections are a particularly important cause of death in settings where diabetes management is poor .
Cancer Mortality in Diabetes
The relationship between diabetes and cancer mortality is less clear. Some studies show no significant increase in cancer-related deaths among people with diabetes, while others report a modest increase Li2019Gregg2018Alegre-Díaz2016. The proportion of deaths from cancer among people with diabetes has remained relatively stable over time .
Trends and Changes in Mortality Causes
Over recent decades, death rates from all causes, especially from cardiovascular disease, have declined among people with diabetes, likely due to better management and prevention strategies. However, as deaths from vascular causes decrease, a larger proportion of deaths are now due to non-vascular, non-cancer causes such as infections and kidney disease Rawshani2017Gregg2018Khalil2012. Despite these improvements, diabetes remains a significant contributor to premature mortality worldwide Rawshani2017Gregg2018Alegre-Díaz2016+3 MORE.
Conclusion
Diabetes significantly increases the risk of death from cardiovascular disease, kidney disease, infections, and respiratory illnesses, with cardiovascular causes being the most prominent. While overall mortality rates have declined, diabetes continues to be a major cause of premature death, highlighting the need for ongoing prevention, risk factor management, and improved access to care.
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