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Abstract
Aim: The current data have proven the pivotal role of inflammation in the development of atherosclerosis and cardiovascular diseases in patients with chronic kidney disease (CKD). Neutrophil to lymphocyte (N/L) ratio has increasingly been reported as a measure of systemic inflammation. This study assessed N/L ratio and investigated its associations with standard inflammatory biomarkers in different stages of CKD patients. Material and methods: This cross-sectional study included 30 predialysis, 40 hemodialysis, 35 peritoneal dialysis patients, and 30 healthy subjects. N/L ratio and important clinical and laboratory parameters were registered. Multivariate regression analyses were carried out to investigate the relations of N/L ratio. Results: N/L ratio was significantly higher in each patient group compared to the healthy subjects (for all, p < 0.001). It was positively correlated with interleukin-6 (IL-6) (r = 0.393, p < 0.001) and high-sensitivity C-reactive protein (hs-CRP) (r = 0.264, p = 0.002) levels and negatively correlated with hemoglobin (r = −0.271, p = 0.001), serum albumin (r = −0.400, p < 0.001), and high-density lipoprotein (HDL) cholesterol levels (r = −0.302, p < 0.001). In CKD patients with hypertension (HT), higher N/L ratio was detected when compared to those without HT (p = 0.006). Having CKD, the presence of HT, serum albumin, HDL-cholesterol, IL-6, and hs-CRP levels were found to be independent predictors of the ratio after adjusting for significant covariates (p < 0.001). Conclusion: An easy and inexpensive laboratory measure of N/L ratio might provide significant information regarding inflammation in CKD including predialysis and dialysis patients.