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This study by Jonathan Mant et al. published in The Lancet investigates the reasons patients with atrial fibrillation did not participate in clinical trials. It analyzes baseline characteristics of patients treated with warfarin versus aspirin, adherence rates, and the nature of primary events. The study includes Kaplan-Meier plots illustrating time to primary events and relative risks of primary outcomes by patient subgroup. Notably, it provides an indirect comparison of ischaemic stroke and major hemorrhage risks between anticoagulation and aspirin across various trials.
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Trial profile Jonathan Mant, et al. Lancet 2007;370:493-503
Reasons why patients identified with atrial fibrillation did not take part in the study Jonathan Mant, et al. Lancet 2007;370:493-503
Baseline characteristics of patients subsequently treated with warfarin or aspirin Jonathan Mant, et al. Lancet 2007;370:493-503
Kaplan-Meier plot of adherence to allocated treatment Jonathan Mant, et al. Lancet 2007;370:493-503
Nature of primary events Jonathan Mant, et al. Lancet 2007;370:493-503
Kaplan-Meier plot of time to primary event Jonathan Mant, et al. Lancet 2007;370:493-503
Relative risk of all primary events by subgroup Jonathan Mant, et al. Lancet 2007;370:493-503
Risk of primary event and major haemorrhage by treatment allocation for different patient subgroups Jonathan Mant, et al. Lancet 2007;370:493-503
Risk of secondary and composite outcomes by treatment allocation for different patient subgroups Jonathan Mant, et al. Lancet 2007;370:493-503
Indirect comparison of results from BAFTA for ischaemic stroke and major haemorrhage with results from six other randomised trials of aspirin versus anticoagulation Jonathan Mant, et al. Lancet 2007;370:493-503