The patients with pericardial effusions presented with elevated levels of IL-6 (168.52 vs. 67.53 ng/mL), D-dimer (2925.13 vs. 1207.69 ngFEU/mL), and PCT (11.58 vs. 5.54 ng/mL) compared to those without pericardial effusions, respectively. This evidence concerns the gene IL6 and pericardial effusion.