ArticlePediatric obesity2025
Relative Fat Mass as an Estimator of Abdominal Adiposity in Youth Across the BMI Spectrum from Normal Weight to Obesity.
Article in Pediatric obesity, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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
2 citing papers in PubMed.
- Article
- Relative Fat Mass as an Estimator of Abdominal Adiposity in Youth Across the BMI Spectrum from Normal Weight to Obesity.Pediatric obesity · 2025Article
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Authors and funding
3 authors.
Funding
Abstract
backgroundRelative fat mass (RFM) has been used to estimate whole-body fat percentage (%BF). However, whether RFM can mirror abdominal adiposity is unknown.
objectiveIn youth, we examined if RFM reflects abdominal adiposity, if there are age/race/sex differences in the relationships between RFM and abdominal adiposity, and if our present-youth-cohort-derived RFM (RFM-Y) improves the prediction of %BF and abdominal adiposity.
methodsIn 358 youth (aged 10-19 years; 168 black/198 white) with normal weight and overweight/obesity (without secondary or syndromic obesity), visceral (VAT), subcutaneous (SAT) and total abdominal adipose tissue (TAT) were assessed by MRI/CT and %BF with DXA. RFM was calculated for ages 10-14 years as [74 - (22 × height/waist circumference [WC]) + (5 × sex)] and 15-19 years as [64 - (20 × height/WC) + (12 × sex)]; sex = 0 for boys, 1 for girls. To develop and validate RFM-Y, linear regression, concordance correlation coefficient, Bland-Altman plots and intraclass correlation coefficient were conducted.
resultsRFM associated with VAT, SAT and TAT (r = 0.66, 0.79, 0.79, respectively; all p < 0.001). The slope was significantly greater in (a) younger versus older youth for VAT, SAT and TAT; (b) whites versus blacks for VAT; and (c) girls versus boys for SAT and TAT. RFM-Y versus traditional RFM showed improved predictive ability for %BF (R
conclusionsRFM reflects abdominal adiposity besides %BF and could be used in longitudinal/interventional youth trials, obviating the need for expensive imaging to assess changes in total and abdominal adiposity.
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