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目的探讨中国7～12岁儿童血压受年龄和身高的影响及其作用规律,为儿童青少年血压评价和相关标准制定提供科学依据。方法运用1985年全国学生体质与健康调研7～12岁汉族学生数据,从每个省中随机抽取相同数量的同年龄、同性别、同身高学生,分别控制年龄、身高后,分析身高和年龄对儿童青少年血压的影响。结果在未控制身高、年龄时,男、女生收缩压、舒张压随年龄增长而上升;控制年龄后,男、女生7～12岁收缩压、舒张压总体呈随身高增长而升高的趋势(P值均<0.05);控制身高后,男、女生各年龄组间血压水平差异无统计学意义(P值均>0.05)。结论 7～12岁儿童血压水平随身高增长而升高,受年龄影响较小。
Objective To investigate the effects of age and height of Chinese children aged 7 to 12 years and their effects on blood pressure and to provide a scientific basis for the evaluation of blood pressure and related standards in children and adolescents. Methods The data of Chinese students aged 7 ~ 12 years from 1985 to 2005 were used to survey the data of Chinese students from 7 to 12 years old. The same number of same-age, same-sex and same-height students were randomly selected from each province. Height and age were analyzed after controlling age and height Effects of blood pressure on children and adolescents. Results The systolic blood pressure and diastolic blood pressure of men and women increased with age when the height and age were not controlled. The systolic blood pressure and diastolic blood pressure of men and women aged 7 to 12 were increased with the increase of height after controlling age ( P <0.05). After controlling for height, there was no significant difference in blood pressure between men and women in all age groups (P> 0.05). Conclusion The blood pressure level of children aged 7 ~ 12 increases with height growth and is less affected by age.