Abstract Title:

Dietary inflammatory potential and risk of sarcopenia: data from national health and nutrition examination surveys.

Abstract Source:

Aging (Albany NY). 2020 12 14 ;13(2):1913-1928. Epub 2020 Dec 14. PMID: 33318308

Abstract Author(s):

Jiwen Geng, Linghui Deng, Shi Qiu, Haiyang Bian, Boyu Cai, Kun Jin, Xiaonan Zheng, Jiakun Li, Xinyang Liao, Yupei Li, Jiameng Li, Zheng Qin, Zhiwei Cao, Yige Bao, Baihai Su

Article Affiliation:

Jiwen Geng


This study used National Health and Nutrition Examination Surveys data from 1999 to 2006 to investigate the association between dietary inflammatory potential, represented by dietary inflammatory index (DII) scores, and the risk of sarcopenia in U.S. adults. A total of 25,781 participants were included in the study. The DII scores were calculated based on dietary information collected from 24-hour recalls. Men and women were classified as sarcopenic if appendicular lean mass (ALM) adjusted for BMI (ALM) was<0.789 or<0.512, respectively. The covariates included comorbidities, dietary data, demographic data, and physical examination data. In a full-adjusted model, each unit of increase in DII score was associated with a 12% increase in risk of sarcopenia. When categorizing sarcopenia into tertiles, the adjusted effect size (relative to Tertile1) was 1.26 (95% CI, 1.07, 1.47) for Tertile 2 and 1.55 (95% CI, 1.31, 1.83) for Tertile 3. The trend test showed that the risk of sarcopenia increased with increasing DII tertiles, (P<0.0001). These findings demonstrate that dietary inflammatory potential correlates positively with the risk of sarcopenia and suggest that making ones diet inflammatory may reduce the incidence of sarcopenia and its associated negative health outcomes.

Study Type : Human Study

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