IL6 and atrial fibrillation: In non-AF patients, a higher reduction of IL-6 concentration (from 16.32 ± 12.76 to 6.74 ± 5.45; p < 0.001) as a result of statin treatment was observed than in patients with AF (17.91 ± 17.42 to 14.16 ± 13.40; p = 0.48) (Figure 1).