Estimating Visceral Fat Area by Multifrequency Bioelectrical Impedance  

Oleh:

Nagai, Masato ; Komiya, Hideaki ; Mori, Yutaka

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Diabetes Care vol. 33 no. 05 (May 2010), page 1077-1079 .
Topik: visceral fat area (VFA); bioelectrical impedance (BI)

Ketersediaan

Perpustakaan FK Nomor Panggil: D05.K.2010.02 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

OBJECTIVE We developed a new method of estimating visceral fat area (VFA) using multifrequency bioelectrical impedance (BI). RESEARCH DESIGN AND METHODS We considered abdominal composition as a parallel circuit model composed of VFA and subcutaneous fat area and calculated the impedance of VFA (IPVFA) from this model. The methods were tested against measures of VFA by computed tomography (CT). Multiple regression analysis was performed on 103 participants to estimate VFA. We cross-validated the regression equation against CT-measured VFA in 30 additional participants. RESULTS The regression equation was VFA = 3.57 × sagittal abdominal diameter + 311.97 × waist-to-height ratio + 0.71 × age + 23.93 × sex + 1.57 × IPVFA (250 kHz) - 174.35 (r = 0.904, P < 0.01). We observed a strong correlation by cross-validation (r = 0.905). CONCLUSIONS Our method using BI is a simple and convenient method for accurately estimating VFA.

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