NPPB and atrial fibrillation: As a result of these findings, the wider knowledge base, and evidence for BNP/NT-proBNP in AF prediction[40], as well as the lack of direct comparison, and integration of the other aforementioned NPs into clinical practice[40], [55], BNP and NT-proBNP will be the main focus and reference for NPs in this review (Table 1).