In addition, a recent meta-analysis including 32 studies with 10,491 patients with COVID-19 demonstrated lymphopenia, thrombocytopenia, CRP, procalcitonin, D-dimer, creatine kinase, lactate dehydrogenase, AST, ALT, and creatinine levels were associated with the severity of COVID-19.51 This evidence concerns the gene CRP and COVID-19.