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?:abstract
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AIM: To compare the risk of diabetes development in patients with atrial fibrillation (AF) treated with non-vitamin K antagonist oral anticoagulants (NOACs) and warfarin. MATERIALS AND METHODS: We conducted a nationwide retrospective cohort study using Taiwan\'s National Health Insurance Research Database. Adult patients with new onset of AF, treated with NOACs or warfarin between 2012 and 2016, were included. The NOAC cohort was further divided into dabigatran, rivaroxaban and apixaban groups. The primary outcome was incident diabetes requiring treatment with antidiabetic drugs. Fine and Gray subdistribution hazards models were used to estimate the adjusted hazard ratio (aHR). Propensity score matching was performed for each head-to-head comparison. RESULTS: A total of 10 746 new-onset AF patients were included in our study. During the mean 2.4-year follow-up, NOACs were associated with a lower risk of developing diabetes than warfarin (aHR = 0.80, 95% confidence interval [CI]: 0.68-0.94, P = .007). Subgroup analyses confirmed that dabigatran, rivaroxaban and apixaban each had a reduced diabetes risk. Stratified analyses showed that the lower risk of diabetes associated with NOAC treatment was specific to patients aged 65 years or older (aHR = 0.74, 95% CI: 0.62-0.89, P = .002) and those with good medication adherence (aHR = 0.70, 95% CI: 0.58-0.84, P < .001). CONCLUSIONS: Taking an NOAC was associated with a lower risk of developing diabetes than taking warfarin in patients with AF.
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