IL6 and anemia: However, most patients with multifactorial anemia were normocytic and normochromic (n = 29, 93.5%), presented with elevated median ferritin levels of 1203 μg/L (679–2456 μg/L), CRP levels of 9.36 mg/dL (3.79–21.12 mg/dL) and IL-6 levels of 24.1 ng/L (10.5–101.5 ng/L) as well as decreased transferrin levels of 111 mg/dL (87–137 mg/dL), which are hallmarks of AI.