Fig. 2From: Impact of ACE I gene insertion/deletion, A-240T polymorphisms and the renin–angiotensin–aldosterone system on COVID-19 diseaseInitial serum ferritin levels and initial serum bilirubin levels linked to I/D polymorphisms, Kruskal–Wallis test. A Initial serum ferritin levels: n(DD) = 23 (left), n(ID) = 38 (mid), n(II) = 16 (right), *p = 0.02. B Initial serum bilirubin levels: n(DD) = 21 (left), n(ID) = 33 (mid), n(II) = 17 (right), *p = 0.58. Box and Whiskers: Median, lower and upper quartile, lower and upper extremeBack to article page