Moderate-to-vigorous physical activity does not improve mortality in type 2 diabetes patients with severe abdominal
Chang Sheng1, Yacheng Xiong1, Pu Yang1,2,3
1Department of Vascular Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China.
Background:
The impact of moderate-to-vigorous physical activity (MVPA) on all-cause mortality in type 2 diabetes (T2D) patients with severe abdominal aortic calcification (SAAC) remains unclear.
Methods:
We analyzed data from the National Health and Nutrition Examination Survey (NHANES) 2013-2014, including T2D patients aged 40 years and older. AAC was assessed using the Kauppila scoring system, with SAAC defined as a score >6. Self-reported MVPA was categorized based on weekly minutes of activity. The weighted Cox regression model was used to investigate risk associations.
Results:
Among the weighted sample of 20,328,606 T2D participants, 16.39% had SAAC. SAAC was significantly associated with increased all-cause mortality (HR 2.57, 95% CI 1.52-4.35) after adjusting for confounders. MVPA did not significantly reduce mortality risk in patients with SAAC (HR 1.00, 95% CI 0.40-2.49).
Conclusion:
SAAC is a robust predictor of mortality in T2D patients, and MVPA does not improve mortality outcomes in this high-risk group. Future studies should conduct more detailed subgroup analyses to identify the specific indications for MVPA.
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