Rivaroxaban for the Prevention of Major Cardiovascular Events in Coronary or Peripheral Artery Disease

The primary objectives of this study are: * To determine whether rivaroxaban 2.5 mg twice daily (bid) + aspirin 100 mg once daily (od) compared with aspirin 100 mg od reduces the risk of a composite of myocardial infarction, stroke, or cardiovascular death in subjects with coronary artery disease (CAD) or peripheral artery disease (PAD); * To determine whether rivaroxaban 5 mg bid compared with aspirin 100 mg od reduces the risk of a composite of myocardial infarction, stroke or cardiovascular death in subjects with CAD or PAD.