ArticleImmunity, inflammation and disease2024
Obesity aggravates the role of C-reactive protein on knee pain: A cross-sectional analysis with NHANES data.
Article in Immunity, inflammation and disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Obesity and female reproductive health in Asian population.Obesity pillars · 2026Review
- Review
- Systemic inflammation mediating the relationship between lifestyle factors and musculoskeletal pain: a systematic review.Frontiers in pain research (Lausanne, Switzerland) · 2026Review
- Distinct late-stage osteoarthritis profiles identified through NF-κB, TNF-α, and TGF-β-driven synovial inflammation and pain.Scientific reports · 2025Article
- Obesity aggravates the role of C-reactive protein on knee pain: A cross-sectional analysis with NHANES data.Immunity, inflammation and disease · 2024Article
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Authors and funding
8 authors.
Funding
Abstract
objectiveTo examine the relationship between C-reactive protein (CRP) and knee pain, and further explore whether this association is mediated by obesity.
methodsThe population was derived from 1999 to 2004 National Health and Nutrition Examination Survey. Logistic regression was used to analyze the relationship between CRP and knee pain in three different models, and the linear trend was analyzed. A restricted cubic spline model to assess the nonlinear dose-response relationship between CRP and knee pain. Mediation analyses were used to assess the potential mediating role of obesity. Subgroup analyses and sensitivity analyses were performed to ensure robustness.
resultsCompared with adults with lower CRP (first quartile), those with higher CRP had higher risks of knee pain (odds ratio 1.39, 95% confidence interval 1.12-1.72 in third quartile; 1.56, 1.25-1.95 in fourth quartile) after adjusting for covariates (except body mass index [BMI]), and the proportion mediated by BMI was 76.10% (p < .001). BMI and CRP were linear dose-response correlated with knee pain. The odds ratio for those with obesity compared with normal to knee pain was 2.27 (1.42-3.65) in the first quartile of CRP, 1.99 (1.38-2.86) in the second, 2.15 (1.38-3.33) in the third, and 2.92 (1.72-4.97) in the fourth.
conclusionObesity mediated the systemic inflammation results in knee pain in US adults. Moreover, higher BMI was associated with higher knee pain risk in different degree CRP subgroups, supporting an important role of weight loss in reducing knee pain caused by systemic inflammation.
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