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  • Title: A RIVA-DM Subanalysis Investigating Patients With Nonvalvular Atrial Fibrillation and Type 2 Diabetes Aged Under Versus Over 80 Years.
    Author: Coleman CI, Costa OS, Brescia CW, Vardar B, Abdelgawwad K, Hofmeister L, Sood N.
    Journal: Clin Appl Thromb Hemost; 2022; 28():10760296221133083. PubMed ID: 36377242.
    Abstract:
    BACKGROUND: Advanced age and type 2 diabetes (T2D) are common in patients with nonvalvular atrial fibrillation (NVAF). We evaluated the impact of age on the effectiveness and safety of rivaroxaban versus warfarin in this population. METHODS: We analyzed electronic health record data from November 2010, to December 2019 including adults with NVAF and T2D, newly started on rivaroxaban or warfarin. Propensity score-overlap weighted hazard ratios (HRs) for stroke/systemic embolism (SSE), hospitalization for major or clinically relevant nonmajor bleeding (CRNMB), vascular death, major adverse limb events (MALE), major bleeding, and intracranial hemorrhage (ICH) were calculated for older (≥80 years) and younger (<80 years) cohorts. RESULTS: We included 32 078 rivaroxaban and 83 971 warfarin users (6606 rivaroxaban and 25,335 warfarin patients were aged ≥80 years). No significant interaction for rivaroxaban versus warfarin by age was observed for any outcome, including SSE (HR = 1.05 vs 0.95), hospitalization for major or CRNMB (HR = 1.06 vs 0.90), vascular death (HR = 0.92 vs 0.90), MALE (HR = 0.80 vs 0.76), major bleeding or ICH. CONCLUSIONS: The effectiveness and safety of rivaroxaban versus warfarin remained consistent across patient age subgroups.
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