NPPB and atrial fibrillation: The last enrolled patient completed follow-up on March 31, 2025.<h4>Results</h4>Comparisons of AF type, left atrial diameter (LAD), P-wave duration (PWD), maximum P-wave duration (Pmax), P-wave dispersion (Pd), and BNP levels between groups showed statistically significant differences (<i>P</i> < 0.05).