CRP and lymphopenia: Biological data show an increase in: C-reactive protein (CRP), the erythrocyte sedimentation rate (ESR), fibrinogen (Fg), D-dimers, serum ferritin, procalcitonin, lactic acid dehydrogenase (LDH), neutrophils, interleukin 6 (IL-6), with lymphopenia and hypoalbuminemia, and changes that are not necessarily present for all parameters [25].