Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity
(1) Background: The determination of body composition is an important method to investigate patients with obesity and to evaluate the efficacy of individualized medical interventions. Bioelectrical impedance-based methods are non-invasive and widely applied but need to be validated for their use in...
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MDPI AG
2021-04-01
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| Series: | Children |
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| Online Access: | https://www.mdpi.com/2227-9067/8/4/295 |
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| author | Alexandra Thajer Gabriele Skacel Katharina Truschner Anselm Jorda Martin Vasek Brian Horsak Johanna Strempfl Alexandra Kautzky-Willer Franz Kainberger Susanne Greber-Platzer |
| author_facet | Alexandra Thajer Gabriele Skacel Katharina Truschner Anselm Jorda Martin Vasek Brian Horsak Johanna Strempfl Alexandra Kautzky-Willer Franz Kainberger Susanne Greber-Platzer |
| author_sort | Alexandra Thajer |
| collection | DOAJ |
| description | (1) Background: The determination of body composition is an important method to investigate patients with obesity and to evaluate the efficacy of individualized medical interventions. Bioelectrical impedance-based methods are non-invasive and widely applied but need to be validated for their use in young patients with obesity. (2) Methods: We compiled data from three independent studies on children and adolescents with obesity, measuring body composition with two bioelectrical impedance-based devices (TANITA and BIACORPUS). For a small patient group, additional data were collected with air displacement plethysmography (BOD POD) and dual-energy X-ray absorptiometry (DXA). (3) Results: Our combined data on 123 patients (age: 6–18 years, body mass index (BMI): 21–59 kg/m²) and the individual studies showed that TANITA and BIACORPUS yield significantly different results on body composition, TANITA overestimating body fat percentage and fat mass relative to BIACORPUS and underestimating fat-free mass (<i>p</i> < 0.001 for all three parameters). A Bland–Altman plot indicated little agreement between methods, which produce clinically relevant differences for all three parameters. We detected gender-specific differences with both methods, with body fat percentage being lower (<i>p</i> < 0.01) and fat-free mass higher (<i>p</i> < 0.001) in males than females. (4) Conclusions: Both bioelectrical impedance-based methods provide significantly different results on body composition in young patients with obesity and thus cannot be used interchangeably, requiring adherence to a specific device for repetitive measurements to ascertain comparability of data. |
| first_indexed | 2024-03-10T12:25:33Z |
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| institution | Directory Open Access Journal |
| issn | 2227-9067 |
| language | English |
| last_indexed | 2024-03-10T12:25:33Z |
| publishDate | 2021-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Children |
| spelling | doaj.art-e346894eeb8842a4b3400772367635312023-11-21T15:07:16ZengMDPI AGChildren2227-90672021-04-018429510.3390/children8040295Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with ObesityAlexandra Thajer0Gabriele Skacel1Katharina Truschner2Anselm Jorda3Martin Vasek4Brian Horsak5Johanna Strempfl6Alexandra Kautzky-Willer7Franz Kainberger8Susanne Greber-Platzer9Division of Pediatric Pulmonology, Allergology and Endocrinology, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, AustriaDivision of Pediatric Pulmonology, Allergology and Endocrinology, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, AustriaDivision of Pediatric Pulmonology, Allergology and Endocrinology, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, AustriaDivision of Pediatric Pulmonology, Allergology and Endocrinology, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, AustriaDivision of Pediatric Pulmonology, Allergology and Endocrinology, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, AustriaInstitute of Health Sciences, St. Pölten University of Applied Sciences, Matthias-Corvinus-Straße 15, 3100 St. Pölten, AustriaDepartment of Physiotherapy, St. Pölten University of Applied Sciences, Matthias-Corvinus-Straße 15, 3100 St. Pölten, AustriaGender Medicine Unit, Division of Endocrinology and Metabolism, Department of Internal Medicine III, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, AustriaDivision of Neuro- and Musculoskeletal Radiology, Department of Biomedical Imaging and Image-Guided Therapy, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, AustriaDivision of Pediatric Pulmonology, Allergology and Endocrinology, Department of Pediatrics and Adolescent Medicine, Medical University of Vienna, Waehringer Guertel 18–20, 1090 Vienna, Austria(1) Background: The determination of body composition is an important method to investigate patients with obesity and to evaluate the efficacy of individualized medical interventions. Bioelectrical impedance-based methods are non-invasive and widely applied but need to be validated for their use in young patients with obesity. (2) Methods: We compiled data from three independent studies on children and adolescents with obesity, measuring body composition with two bioelectrical impedance-based devices (TANITA and BIACORPUS). For a small patient group, additional data were collected with air displacement plethysmography (BOD POD) and dual-energy X-ray absorptiometry (DXA). (3) Results: Our combined data on 123 patients (age: 6–18 years, body mass index (BMI): 21–59 kg/m²) and the individual studies showed that TANITA and BIACORPUS yield significantly different results on body composition, TANITA overestimating body fat percentage and fat mass relative to BIACORPUS and underestimating fat-free mass (<i>p</i> < 0.001 for all three parameters). A Bland–Altman plot indicated little agreement between methods, which produce clinically relevant differences for all three parameters. We detected gender-specific differences with both methods, with body fat percentage being lower (<i>p</i> < 0.01) and fat-free mass higher (<i>p</i> < 0.001) in males than females. (4) Conclusions: Both bioelectrical impedance-based methods provide significantly different results on body composition in young patients with obesity and thus cannot be used interchangeably, requiring adherence to a specific device for repetitive measurements to ascertain comparability of data.https://www.mdpi.com/2227-9067/8/4/295pediatric obesitybody composition analysisbioelectrical impedance analysisair displacement plethysmographyDXAbody fat percentage |
| spellingShingle | Alexandra Thajer Gabriele Skacel Katharina Truschner Anselm Jorda Martin Vasek Brian Horsak Johanna Strempfl Alexandra Kautzky-Willer Franz Kainberger Susanne Greber-Platzer Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity Children pediatric obesity body composition analysis bioelectrical impedance analysis air displacement plethysmography DXA body fat percentage |
| title | Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity |
| title_full | Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity |
| title_fullStr | Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity |
| title_full_unstemmed | Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity |
| title_short | Comparison of Bioelectrical Impedance-Based Methods on Body Composition in Young Patients with Obesity |
| title_sort | comparison of bioelectrical impedance based methods on body composition in young patients with obesity |
| topic | pediatric obesity body composition analysis bioelectrical impedance analysis air displacement plethysmography DXA body fat percentage |
| url | https://www.mdpi.com/2227-9067/8/4/295 |
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