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Nutrients. 2015 Dec 16;7(12):10513-24. doi: 10.3390/nu7125548.

Comparison of Abdominal Visceral Adipose Tissue Area Measured by Computed Tomography with That Estimated by Bioelectrical Impedance Analysis Method in Korean Subjects.

Author information

1
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. roroko0902@gmail.com.
2
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. yurica514@gmail.com.
3
Division of Statistics, Medical Research Collaborating Center, Seoul National University Bundang Hospital, Seongnam 13620, Korea. ahnsoyeon@gmail.com.
4
Department of Internal Medicine, Chungbuk National University Hospital, Cheongju 28644, Korea. eujeong.ku@gmail.com.
5
Department of Internal Medicine, Eulji University Hospital, Seoul 01830, Korea. yeun6486@gmail.com.
6
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. twinstar7@naver.com.
7
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. kyoungmin02@gmail.com.
8
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. jaemoon76@gmail.com.
9
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. drshchoi@snu.ac.kr.
10
Department of Internal Medicine, Seoul National University College of Medicine, Seoul 03080, Korea. ksparkmd@gmail.com.
11
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. janghak@snu.ac.kr.
12
Department of Internal Medicine, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam 13620, Korea. limsoo@snu.ac.kr.

Abstract

We evaluated the concordance between visceral fat area (VFA) estimated by bioelectrical impedance analysis (BIA) or computed tomography (CT) in Korean subjects with a wide range in age and body mass index (BMI). In 1006 individuals (mean age 55.2 ± 11.8 (19-87) years, mean BMI 26.0 ± 3.5 (17-46) kg/m², 48.9% men), VFA quantified by CT was compared with VFA using multifrequency BIA machines within 15 days. Concordance rates were compared by age or BMI using correlation analysis, Bland-Altman plots, and intraclass correlation coefficient (ICC). Using BIA data, we established a regression formula to reflect CT-VFA. The mean VFAs by CT and BIA were 131.9 ± 57.3 cm² and 110.5 ± 33.9 cm², respectively (r = 0.605, p < 0.001). The mean difference was 21.4 ± 45.6 cm², tending to increase with BMI. In women with BMI <25 kg/m² or age <50 years, the VFAs by BIA were similar to those by CT (ICC = 0.496 in BMI <25 kg/m² and ICC = 0.638 in age <50 years). However, the difference was greater in men with BMI ≥25 kg/m² or age ≥50 years. Applying our formula, the difference between estimations decreased to 0.2 ± 38.2cm². VFA estimated by BIA correlated well with that by CT, but a more accurate formula is needed to match CT data, particularly in older men or subjects with a high BMI.

KEYWORDS:

Korean; bioelectrical impedance; computed tomography; visceral fat area

PMID:
26694460
PMCID:
PMC4690100
DOI:
10.3390/nu7125548
[Indexed for MEDLINE]
Free PMC Article

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