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Participant flow diagram depicting screening/enrollment process.
Note: *Events at first hospitalization.
Abbreviations: CKD, chronic kidney disease; AF, atrial fibrillation; CHADS2 score, congestive heart failure (1 point), hypertension (1 point), ≥75 years old (1 point), diabetes (1 point), prior stroke or transient ischemic attack or thromboembolism (2 points); eGFR, estimated glomerular filtration rate; INR, international normalized ratio.
