最普遍接受的体脂测量法(以kg为单位的体重除以m为单位的身高的平方)。[3]Barlow SE. Expert Committee recommendations regarding the prevention, assessment, and treatment of child and adolescent overweight and obesity: summary report. Pediatrics. 2007 Dec;120(suppl 4):S164-92.http://pediatrics.aappublications.org/content/120/Supplement_4/S164.fullhttp://www.ncbi.nlm.nih.gov/pubmed/18055651?tool=bestpractice.com
身高和体重的准确测量对计算 BMI 都很重要。
儿童 BMI 异常临界值是由生长曲线图的年龄和性别特定百分位数决定的。[2]Ogden CL, Kuczmarski RJ, Flegal KM, et al. Centers for Disease Control and Prevention 2000 growth charts for the United States: improvements to the 1977 National Center for Health Statistics version. Pediatrics. 2002 Jan;109(1):45-60.http://www.ncbi.nlm.nih.gov/pubmed/11773541?tool=bestpractice.com
不同国家/地区定义可能不同,但 BMI 介于第 85 和第 94 百分位通常被定义为超重,BMI≥第 95 百分位被定义为肥胖,BMI>第 99 百分位被定义为重度肥胖。[3]Barlow SE. Expert Committee recommendations regarding the prevention, assessment, and treatment of child and adolescent overweight and obesity: summary report. Pediatrics. 2007 Dec;120(suppl 4):S164-92.http://pediatrics.aappublications.org/content/120/Supplement_4/S164.fullhttp://www.ncbi.nlm.nih.gov/pubmed/18055651?tool=bestpractice.com