GPT and COVID-19: Of the 18 reviews included in this overview, eight analyzed laboratory parameters in patients with COVID-19 [25, 29, 30, 32–35, 39]; elevated C-reactive protein levels, associated with lymphocytopenia, elevated lactate dehydrogenase, as well as slightly elevated aspartate and alanine aminotransferase (AST, ALT) were commonly described in those eight reviews.