What This Means
This research suggests that diabetic foot disease — a serious complication of diabetes involving wounds, infections, or tissue damage to the feet — carries a higher long-term risk of death than cancer overall. Analyzing data from three large international studies involving thousands of patients in the United States, United Kingdom, and China, the researchers found that people with diabetic foot disease were between 38% and 499% more likely to die during follow-up than people diagnosed with cancer in general. This challenges the common clinical assumption that diabetic foot disease has a mortality risk merely 'comparable' to cancer, suggesting the true burden may be even greater.
When comparing diabetic foot disease to specific types of cancer, the picture became more nuanced. Diabetic foot disease carried a substantially higher risk of death than common cancers with relatively good survival rates, such as skin cancer, breast cancer, and prostate cancer. Its mortality was roughly similar to intermediate-prognosis cancers like colon cancer, lymphoma, and kidney cancer. Only a small number of particularly aggressive cancers — including lung, pancreatic, and liver cancers — were associated with higher mortality than diabetic foot disease.
This research suggests that diabetic foot disease is a life-threatening condition whose severity is often underappreciated compared to cancer. The findings highlight a potential gap in how seriously this condition is treated and resourced in clinical practice and public health policy. Recognizing that diabetic foot disease carries mortality risks comparable to or exceeding many cancers may help justify more aggressive prevention, early intervention, and dedicated care resources for people living with diabetes.