Cardiometabolic & kidney

Regional variation in cause of death in patients with type 2 diabetes: Insights from EXSCEL

Am Heart JPublished Secondary analysis of the EXSCEL randomised trial

Authors' conclusion

In a contemporary T2D trial population, with and without established CVD, leading causes of death varied by geographic region.

Study context

Population
Patients with T2DM at risk for cardiovascular disease (CVD) (73% with established CVD)
Participants
14,752 patients
Primary endpoint
Cause-specific deaths (CV and non-CV) by geographic region
Follow-up
median 3.2-year follow-up
Methodological detailsinternational
  • International

Primary result

As reported in the abstract

All-cause deaths
1,091 (7.4%)
CV deaths (incl. 252 unknown)
723 (66.3% of deaths)
Non-CV deaths
368 (33.7%)
Deaths in North America
N = 356/9.6% across region
Deaths in Eastern Europe
N = 326/8.1%
Deaths in Asia/Pacific (fewest)
N = 68/4.4%
Leading cause Asia/Pacific: sudden cardiac
23/34% of regional deaths
Leading cause North America: sudden cardiac
86/24%
Leading cause Eastern Europe: unknown
90/28%
Leading cause Western Europe: unknown
39/21%
Leading cause Latin America: non-malignant non-CV
48/31%

Further findings

Prognostic risk factors for adjudicated CV and non-CV death (Cox model)

HR (95% CI)
Heart failureCV death2.04 (1.72–2.42)
Heart failurenon-CV death1.86 (1.46–2.39)
Peripheral artery diseaseCV death1.83 (1.54–2.18)
Peripheral artery diseasenon-CV death1.78 (1.40–2.26)
Current smoking statusCV death1.61 (1.29–2.01)
Current smoking statusnon-CV death1.77 (1.31–2.40)

Original publication

Regional variation in cause of death in patients with type 2 diabetes: Insights from EXSCEL. Am Heart J. Published 22 February 2024. doi:10.1016/j.ahj.2024.02.013

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