PMID: 9426379Jan 14, 1998Paper

Reproducibility of fat area measurements in young, non-obese subjects by computerized analysis of magnetic resonance images

International Journal of Obesity and Related Metabolic Disorders : Journal of the International Association for the Study of Obesity
J M ElbersL J Gooren

Abstract

To assess reproducibility, expressed as both inter-observer variability and intra-observer variability, of fat area measurements on images obtained by magnetic resonance (MR); to compare variability between fat area measurements, calculated from a single image per body region and from the average fat area of three images, and to determine reproducibility of image acquisition at the abdominal level. Thirty young, non-obese subjects (reproducibility of image analysis) and nine young, non-obese subjects (reproducibility of image acquisition). Three MR images at the level of the abdomen (in 30 subjects) and at the level of the hip and thigh (in 14 of them). Quantification of subcutaneous fat depots (abdomen, hip and thigh) and visceral fat depots using an image-analyzing computer program. Assessment of variability of image analysis for fat area measurements between two observers and within observers. Assessment of reproducibility of image acquisition at the abdominal level (in nine subjects). Subcutaneous fat areas in all body regions were quantified with coefficients of variation (CV) ranging from only 2.1%-4.9%. By contrast, visceral fat area measurements showed markedly higher CVs (range: 9.4%-17.6%). Moreover, relative variabil...Continue Reading

Citations

Sep 5, 2008·Journal of Digital Imaging·Svetlana LublinskyStefan Judex
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Jun 28, 2007·International Journal of Obesity : Journal of the International Association for the Study of Obesity·J KullbergH Frimmel
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