{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,4]],"date-time":"2025-12-04T18:28:12Z","timestamp":1764872892261},"reference-count":26,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2006,6,5]],"date-time":"2006-06-05T00:00:00Z","timestamp":1149465600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Pediatr"],"published-print":{"date-parts":[[2006,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:sec>\n            <jats:title>Background<\/jats:title>\n            <jats:p>To determine the validity of the recently developed child-specific thoracic gas volume (TGV) prediction equations for use in air-displacement plethysmography (ADP) in diverse pediatric populations.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods<\/jats:title>\n            <jats:p>Three distinct populations were studied: European American and African American children living in Birmingham, Alabama and European children living in Lisbon, Portugal. Each child completed a standard ADP testing protocol, including a measured TGV according to the manufactures software criteria. Measured TGV was compared to the predicted TGV from current adult-based ADP proprietary equations and to the recently developed child-specific TGV equations of Fields <jats:italic>et al<\/jats:italic>. Similarly, percent body fat, derived using the TGV prediction equations, was compared to percent body fat derived using measured TGV.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>Predicted TGV from adult-based equations was significantly different from measured TGV in girls from each of the three ethnic groups (<jats:italic>P<\/jats:italic> &lt; 0.05), however child-specific TGV estimates did not significantly differ from measured TGV in any of the ethnic or gender groups. Percent body fat estimates using adult-derived and child-specific TGV estimates did not differ significantly from percent body fat measures using measured TGV in any of the groups.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusion<\/jats:title>\n            <jats:p>The child-specific TGV equations developed by Fields <jats:italic>et al<\/jats:italic>. provided a modest improvement over the adult-based TGV equations in an ethnically diverse group of children.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1186\/1471-2431-6-18","type":"journal-article","created":{"date-parts":[[2006,6,6]],"date-time":"2006-06-06T07:22:38Z","timestamp":1149578558000},"update-policy":"http:\/\/dx.doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Validity of new child-specific thoracic gas volume prediction equations for air-displacement plethysmography"],"prefix":"10.1186","volume":"6","author":[{"given":"Paul B","family":"Higgins","sequence":"first","affiliation":[]},{"given":"Analiza M","family":"Silva","sequence":"additional","affiliation":[]},{"given":"Luis B","family":"Sardinha","sequence":"additional","affiliation":[]},{"given":"Holly R","family":"Hull","sequence":"additional","affiliation":[]},{"given":"Michael I","family":"Goran","sequence":"additional","affiliation":[]},{"given":"Barbara A","family":"Gower","sequence":"additional","affiliation":[]},{"given":"David A","family":"Fields","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2006,6,5]]},"reference":[{"issue":"23","key":"120_CR1","doi-asserted-by":"publisher","first-page":"2847","DOI":"10.1001\/jama.291.23.2847","volume":"291","author":"AA Hedley","year":"2004","unstructured":"Hedley AA, Ogden CL, Johnson CL, Carroll MD, Curtin LR, Flegal KM: Prevalence of overweight and obesity among US children, adolescents, and adults, 1999-2002. 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