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目的验证儿童人体测量指标、体成份与心血管代谢指标间的关联性。方法对174名7~16岁超重肥胖儿童,进行体格检查(包括身高、体重、腰围、臀围),并计算腰围臀围比值(WHR)、腰围身高比值(WHtR);使用生物电阻抗体成份测定装置测定体脂率(fat%);测定血压、清晨空腹血糖、血脂等指标。采用调整性别年龄后的偏相关系数“r”表示肥胖指标与心血管代谢指标的关联性。结果 1)各组平均fat%均在30%以上,女生fat%随年龄增加而增加(P<0.05);2)WHtR为0.53~0.56,男生高于女生(P<0.05),无年龄差异(P>0.05)。3)身体测量指标、fat%、体质指数(body mass index,BMI)与收缩压和高密度脂蛋白胆固醇(HDL-C)呈现中等程度的相关性(r介于0.30~0.50之间,P<0.05);腰围与多数代谢综合征(metabolic syndrome,MS)组份均呈显著相关(P<0.05),其次为fat%、BMI和WHtR。结论腰围、体脂率(fat%)MS组份的相关性优于BMI和WHtR,在干预研究中应作为BMI的必要补充。
Objective To verify the correlation between children’s body measurements, body composition and cardiovascular metabolic parameters. Methods A total of 174 overweight children aged 7-16 years were enrolled in the study. The physical examination (including height, weight, waist circumference and hip circumference) was performed. The WHR and WHt ratios were calculated. The bioelectrical antibody Apparatus to determine body fat percentage (fat%); determination of blood pressure, fasting blood glucose, blood lipids and other indicators. Partial adjustment of gender after the age-related coefficient “r ” indicates the association of obesity and cardiovascular metabolic parameters. Results 1) The average fat percentage in all groups was above 30%, while the fat percentage in girls increased with age (P <0.05). 2) The WHtR was 0.53 ~ 0.56, the male was higher than the female (P <0.05) P> 0.05). 3) Body measurements, body mass index (BMI) and body mass index showed a moderate correlation with systolic blood pressure and HDL-C (r 0.30 ~ 0.50, P < 0.05). The waist circumference was significantly associated with most metabolic syndrome (MS) components (P <0.05), followed by fat%, BMI and WHtR. Conclusion The correlation between waist circumference and body fat percentage (MS) is better than that of BMI and WHtR, and should be used as a necessary complement to BMI in intervention study.