Abstract

AimTo investigate whether any reduction in all-cause mortality and cardiovascular disease morbidity was found over the decade in type 2 diabetes on real-world practice. MethodsA prospective observational study was performed by following two independent cohorts recruited in 2004 (n = 3286, Cohort 1) and 2014 (n = 3919, Cohort 2). The primary outcome was a composite of onset of cardiovascular disease and death. Cox proportional hazards analysis was used to explore any difference between Cohort 2 and Cohort 1 for the composite endpoints and cardiovascular disease after adjustment for covariates and accumulation of five risks (smoking, HbA1c, blood pressure, lipids, and albuminuria) outside target ranges. ResultsDuring the 8-year follow-up, 391 (11.9%) and 270 (6.9%) primary outcomes, and 270 (8.2%) and 161 (4.1%) cardiovascular diseases occurred in Cohort 1 and Cohort 2, respectively. Cohort 2 (vs. Cohort 1) exhibited a significant risk reduction for composite endpoints (HR 0.73, 95% CI 0.62 to 0.86) and cardiovascular disease (HR 0.64, 95% CI 0.52 to 0.79), and similarly exhibited a significant reduction independent of the accumulation of the five risks. ConclusionsThe significant reduction of Cohort 2 for cardiovascular disease independent of the baseline covariates suggests an integrated effect delivered by the recent treatment advances.

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