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Postoperative atrial fibrillation (POAF) is common after anatomic thoracic surgery. Elevated preoperative brain natriuretic peptide (BNP) level is strongly associated with risk of POAF. We describe the development and internal validation of a clinical prediction model for POAF that includes BNP and other clinical factors.

A brain natriuretic peptide-based prediction model for atrial fibrillation after thoracic surgery: Development and internal validation