CRP and systemic lupus erythematosus: NLR can be used for disease activity and differentiation of infection in SLE (Poster: Aponte J, Carrizosa J, Sanchez A, Ospina M, Cartagena A, Zapata C, Cervera R. 202 The Role of Neutrophil-Lymphocyte Ratio (NLR), and Other Biomarkers (C-Reactive Protein CRP, Count of Monocytes and Lymphocytes) Differentiating Lupic Activity (FLARE) from Infection; 2017).