Fig. 6From: Impact of ACE I gene insertion/deletion, A-240T polymorphisms and the renin–angiotensin–aldosterone system on COVID-19 diseaseSex-related differences in serum ACE1 and ACE2 levels, m: male, f: female; Mann–Whitney test. A Serum ACE1 levels, n = 69, p = 0.58; B Serum ACE2 levels, n = 68, *p = 0.02. Box and Whiskers: Median, lower and upper quartile, lower and upper extremeBack to article page