协和医学杂志

2013, (01)

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间接测热法测定北京成年居民基础代谢率及与身体成分的相关性
Basal Metabolic Rate Determined by Indirect Calorimetry and Its Correlation to Body Composition of Beijing Adult Residents

陈伟;郭潇;黄允瑜;姜淼;李冉;刘宁;刘岩;刘燕萍;刘聿秀;李伟红

摘要(Abstract):

目的:测定从事轻体力劳动的北京成年居民的基础代谢率(basal metabolic rate,BMR)并分析其与身体成分的相关性。方法:选取从事轻体力劳动的健康北京成年居民,采用间接测热法测定BMR,身体成分分析仪测量身体成分,将BMR实测值与Schofield公式计算值进行比较,并分析BMR与身体成分的相关性。结果:共纳入健康受试者57名,其中男30名,平均年龄(26.87±7.33)岁(19~43岁),女27名,平均年龄(25.89±7.38)岁(18~43岁)。男性BMR实测值为(5259.62±715.55)kJ/d,女性BMR实测值为(4114.55±804.33)kJ/d,均明显低于Schofield公式计算值[男性(7113.72±539.95) kJ/d,女性(5428.24±361.46)kJ/d,P均<0.0001]。男性和女性BMR与体重、体重指数以及身体成分中脂肪重、肌肉量、去脂重均呈显著正相关(P均<0.05),与体脂百分比无显著相关性。男性身高与BMR显著相关(P=0.012),而在女性其相关性不显著(P=0.433)。结论:从事轻体力劳动的北京健康成年居民BMR实测值低于现行公式计算值,BMR与个体体重、体重指数、脂肪重、肌肉量、去脂重呈正相关关系。
Objective:To detect the basal metabolic rate (BMR) of Beijing adult residents who participate in light physical activity and to investigate the correlation of BMR with body composition. Methods:Healthy adult residents in Beijing who participated in light physical activity were enrolled in this study. The BMR and body composition of the subjects were detected with indirect calorimetry and body composition analyzer, respectively. The difference between the detected BMR and the calculated BMR (based on Schofield equation) was compared. The correlation between BMR and body composition values was tested by the Pearsons method. Results:Fifty-seven healthy subjects, including 30 males with a mean age of (26.87±7.33) years (19-43 years) and 27 females with a mean age of (25.89±7.38) years (18-43 years) were included in this study. The mean detected BMR value was (5259.62±715.55)kJ/d in males and (4114.55±804.33)kJ/d in females, which were significantly lower than those calculated using Schofield equation, (7113.72±539.95) kJ/d in males and (5428.24±361.46) kJ/d in females (both P<0.0001). The measured BMR was positively correlated with the body weight, body mass index,fat mass,muscle mass, and fat free mass (all P<0.05). The correlation of BMR to height was significant in male subjects (P=0.012), but not among the females (P=0.433). Conclusions:The BMR of healthy residents in Beijing is lower than the currently recommended value based on the Schofield equation. The BMR is positively correlated with the body weight, body mass index, fat mass, muscle mass, and fat free mass.

关键词(KeyWords): |基础代谢率|身体成分|
|basal metabolic rate|body composition|

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作者(Author): 陈伟;郭潇;黄允瑜;姜淼;李冉;刘宁;刘岩;刘燕萍;刘聿秀;李伟红

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