Title |
Body adiposity index performance in estimating body fat in a sample of severely obese Brazilian patients
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Published in |
Nutrition Journal, December 2015
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DOI | 10.1186/s12937-015-0119-8 |
Pubmed ID | |
Authors |
Giliane Belarmino, Lilian Mika Horie, Priscila Campos Sala, Raquel S. Torrinhas, Steven B. Heymsfield, Dan L. Waitzberg |
Abstract |
The body adiposity index (BAI) estimates the amount of body fat (BF) in humans. In Mexican-American and African-American populations, BAI has performed better than body mass index (BMI). The aim of this study was to evaluate the performance of BAI in estimating percentage (BF%) in severely obese Brazilian patients, with air displacement plethysmography (ADP) used as the reference method. Estimation of BF% by ADP, anthropometric measurements (height, abdominal and hip circumferences, body weight, and BMI) and BAI calculation were performed in 72 obese subjects (BMI ≥ 30 kg/m(2)) aged 30-55 years. The mean BF% estimates ± standard deviation were 52.1 ± 5.7 % for ADP and 47.7 ± 7.4 % for BAI, with a positive Pearson correlation (r p = 0.66) and a positive Lin's concordance correlation (r c = 0.479) observed between these methods. The 95 % limits of individual agreement between BAI and ADP ranged from -5.769 % to 16.036 %, with BAI exhibiting an average positive bias of 5.13 % compared to the reference method. For each studied variable, BAI exhibited a systematic bias, as evidenced by a tendency for low BF% values to be overestimated. For Brazilian patients with severe obesity, BAI does not provide an accurate estimate of BF%. |
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Country | Count | As % |
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Unknown | 42 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Doctoral Student | 4 | 10% |
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Other | 8 | 19% |
Unknown | 11 | 26% |
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Other | 4 | 10% |
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