IL6 and isolated hyperferritinemia: The median level of IL-6 [37.25 pg/mL (IQR 10.58, 137.48) vs. 2.55 pg/mL (IQR 1.50, 8.95), P < 0.001], D-dimer [2.83 μg/mL (IQR 0.90, 16.53) vs. 0.41 μg/mL (IQR 0.22, 1.24), P < 0.001] and hsCRP [67.65 mg/L (IQR 18.25, 189.93) vs. 2.05 mg/L (IQR 11.45, 187.10), P < 0.001] was higher in hyperferritinemia patients compared to non-hyperferritinemia patients.