COVID-19 Research Paper Volume 13, Issue 9 pp 12301—12307
Low plasma angiotensin-converting enzyme 2 level in diabetics increases the risk of severe COVID-19 infection
Figure 1. (A) The plasma level of ACE2 in diabetes mellitus patients and control. (B) The plasma level of ACE2 in users of hypoglycemic drugs and non-users. **P<0.01, ***P<0.001.