ArticleBMC geriatrics2025
The association between neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, red blood cell distribution width, and physical function in elderly non-dialysis patients with chronic kidney disease.
Article in BMC geriatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundThe physical function of elderly patients with chronic kidney disease (CKD) is influenced by chronic inflammatory status. This study aimed to investigate the association between systemic inflammatory markers—neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and red blood cell distribution width (RDW)—and physical function in elderly non-dialysis patients with CKD.
methodsData were collected from CKD patients aged ≥ 60 years. Physical function was evaluated using the Barthel Index (BI) of the activities of daily living (ADL) scale. Participants were stratified into two groups: BI ≥ 60 and BI < 60. Differences in NLR, PLR, and RDW levels between the two groups were compared. Subsequently, multivariable logistic regression analysis was performed to assess the association of these three indicators (as continuous or categorical variables) with physical function.
resultsA total of 1005 eligible patients were included, comprising 880 patients in the BI ≥ 60 group and 125 patients in the BI < 60 group. NLR (3.71 ± 1.78 vs. 2.82 ± 1.58, P < 0.001), PLR (158.50 ± 66.98 vs. 138.84 ± 63.48, P = 0.001), and RDW (14.01 ± 1.47 vs. 13.38 ± 1.30, P < 0.001) were significantly higher in the BI < 60 group compared to the BI ≥ 60 group. Multivariable regression analysis demonstrated that elevated NLR (OR = 1.278, 95% CI: 1.138–1.435, P < 0.001) and PLR (OR = 1.004, 95% CI: 1.001–1.006, P = 0.014) were independently associated with physical function dependence in elderly non-dialysis CKD patients.
conclusionHigher levels of NLR, PLR, and RDW were observed in elderly non-dialysis CKD patients with poor physical function. Elevated NLR and PLR were independently associated with physical function dependence.
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