Association between Neutrophil-to-Lymphocyte ratio and left ventricular hypertrophy in chronic kidney disease patients: a cross-sectional study
Abstract
Left ventricular hypertrophy (LVH) is a common cardiovascular complication in chronic kidney disease (CKD), associated with increased morbidity and mortality. Systemic inflammation may contribute to LVH, but evidence remains limited in non-dialysis CKD populations. The neutrophil-to-lymphocyte ratio (NLR), a readily accessible inflammatory marker, may serve as a predictor of LVH. In this cross-sectional study, 514 hospitalized CKD patients were enrolled. LVH was defined by echocardiographic criteria based on left ventricular mass index. NLR was calculated from complete blood counts. Logistic regression models were used to evaluate the association between NLR and LVH after adjusting for potential confounders. Subgroup and restricted cubic spline (RCS) analyses were conducted to assess consistency and non-linear relationships. Mediation analysis was performed to explore whether NLR mediated the relationship between CKD and LVH. Patients with LVH had significantly higher NLR levels than those without (3.14 vs. 2.20, p < 0.001). After full adjustment, standardized NLR remained independently associated with LVH (adjusted OR: 1.34, 95% CI: 1.05–1.72, p = 0.02). RCS showed a linear relationship between NLR and LVH risk (p for nonlinear = 0.229). Subgroup analyses confirmed this robust association across subgroups (p for interaction ≥ 0.05). Mediation analysis indicated that NLR partially mediated the relationship between CKD and LVH, accounting for 5.1% of the total effect.…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 514 participants or records.
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