Fig. 5From: Fibrosis independent atrial fibrillation in older patients is driven by substrate leukocyte infiltration: diagnostic and prognostic implications to patients undergoing cardiac surgeryNeutrophil to Lymphocyte ratio (NLR), Platelet to lymphocyte ration (PLR), and CCL-2/MCP-1 were positively correlated with hospital length of stay (LOS). MMP-9 a diagnostic indicator was negatively correlated to LOSBack to article page