IL6 and lymphopenia: Laboratory features that are associated with worse outcomes include lymphopenia and thrombocytopenia, elevated values of liver enzymes, lactate dehydrogenase (LD), inflammatory markers such as C-reactive protein (CRP) and ferritin, inflammatory cytokines such as interleukin-6 (IL-6) and, tumour necrosis factor α (TNF-α), troponin, creatine kinase (CK), D-dimers, prolonged prothrombin time (PT), and acute kidney injury (5).