ArticleScientific reports2025
Systemic immune-inflammation index mediates the association between abdominal obesity and serum klotho levels.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- Serum α-Klotho and SIRT1 - Relationship with graft function, inflammation and hospitalization rates in kidney transplant recipients.Transplant international : official journal of the European Society for Organ Transplantation · 2026Observational
- Body roundness index and mortality risk in chronic diseases: a national prospective longitudinal study in China.Aging clinical and experimental research · 2025Article
- Sex-specific associations of DXA-measured visceral and subcutaneous fat with serum α-Klotho in middle-aged adults.The journal of nutrition, health & aging · 2025Article
- Systemic inflammation mediates the association between the dietary index for gut microbiota and serum Klotho: evidence from NHANES 2007-2016.Frontiers in nutrition · 2025Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
The weight-adjusted waist index (WWI) has emerged as a reliable indicator of abdominal obesity. α-Klotho, a transmembrane protein, functions as a suppressor of aging. However, the relationship between these two factors remains underexplored. This study aims to investigate the association between WWI and serum α-Klotho levels in middle-aged and elderly Americans, with a focus on exploring the potential mediating role of the systemic immune inflammation index (SII). A cross-sectional study was conducted using data from 6997 middle-aged and elderly Americans participating in the National Health and Nutrition Examination Surveys (NHANES) between 2011 and 2016. Multiple linear regression analysis was employed to assess the relationship between WWI and serum α-Klotho concentrations. Additionally, mediation analysis was performed to investigate the mediating effect of SII on the relationships. Our analysis revealed a significant negative correlation between WWI and serum α-Klotho levels in the survey-weighted multiple linear regression models (adjusted percent change: -7.79; 95% CI: -10.15, -5.37). Mediation analysis demonstrated that the association between WWI and α-Klotho levels was partially mediated by SII (adjusted percent change: -0.88; 95% CI: -1.24, -0.45), with the proportion of mediation amounting to 11.6%. Further age-stratified results showed that the mediating role of SII was more pronounced among individuals aged ≥ 60 years, exhibiting a mediating effect of 26.3%, in contrast to 4.2% for those < 60 years. The findings suggest that WWI is inversely associated with serum α-Klotho concentrations and that this association is partially mediated by SII, especially in older people.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.