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| models, published, copy machines, printer toner, providing..., underwater weighing, burning, ideal body fat, tanita 578, jogging, thetruth about fat, menstrual cycle, aging, okidata, trinity test, brother, syntex, | Results: RMS-coefficients of variation were calculated for: arm-fat mass (3.97%), leg-fat mass (3.07%), trunk-fat mass (2.13%) and total-fat mass (1.55%). Minimal detectable differences at the 95% confidencelevel were british society of animal science derived for all measurements: arm-fat mass (11.01% or 159.8 g), leg-fat mass (8.51% or 312.7 g), trunk-fat mass (5.89% or 499.2 g) and total-fat mass (4.29% or 628.1 g). Conclusions: Conclusion: DEXA measurements of regional body-fat mass in subjects with HIV lipodystrophy show similar reproducibility to that found in other populations studied. Minimal detectable differences were smaller british society of animal science than changes observed in published cohort data for british society of animal science all measurements except trunk-fat mass. DEXA is a sensitive tool for detecting long-term changes in peripheral fat among patients with HIV lipodystrophy. |
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| However, no data is available on the reproducibility of DEXA body-fat measurements in this population. This information is essential if this tool underwater weighing is to be used as an endpoint underwater weighing in treatment trials. This study aimed at evaluating the reproducibility of DEXA body fat estimation in HIV positive subjects with and without lipodystrophy. Methods: Thirty patients, representing a spectrum of HIV lipodystrophy from none to severe, were underwater weighing evaluated with same-day repeat whole body DEXA scans. Scans were performed and analysed by the same technician using a Hologic QDR 4500A (Hologic, Waltham, Mass., USA) scanner. Root-mean-square coefficients of variation (RMS-CV) and standard deviations (RMS-SD) were calculated and used to estimate minimum detectable differences for body-fat content and body-fat percentage in different anatomical regions. |
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