CRP and atrial fibrillation: Compared to patients without AF (Group B), those who developed AF (Group A) had significantly higher mean levels of CRP (6.2 ± 1.8 mg/L), platelet count (320 ± 50 x10<sup>9</sup>/L), neutrophil scores (4.6 ± 0.9), and SII (650 ± 120) (p<0.05 for all).