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以１１６０名７～１２岁儿童为研究对象，共筛查出ＩＤＡ儿童２６９人，贫血患病率为２３．１９％。抽取６０名ＩＤＡ儿童分为二组（补铁组、安慰剂组），另选３０名正常儿童为对照组。补铁前后测Ｈｂ、ＦＥＰ、ＰＷＣ１７０、ＲＰＷＣ１７０、ＶＯ２ｍａｘ及血乳酸浓度值。补铁前，ＩＤＡ儿童反映ＰＷＣ大小的各项指标值与正常儿童之间存在显著性差异；经三个月补铁后，补铁组以上各指标值恢复正常水平。结果提示：轻度ＩＤＡ对７～１２岁儿童ＰＷＣ有明显影响，并能通过铁剂治疗得以矫正。
A total of 1160 children aged 7-12 years were enrolled in this study. A total of 269 IDA children were screened, with a prevalence of anemia of 23.19%. Sixty IDA children were divided into two groups (iron supplementation group and placebo group). Another 30 normal children were selected as the control group. Before and after iron supplementation, Hb, FEP, PWC170, RPWC170, VO2max and blood lactate concentrations were measured. Iron supplementation, IDA children reflect the size of the PWC indicators of the indicators there is a significant difference between normal children; after three months of iron, the iron above the index values return to normal levels. The results suggest that mild IDA has a significant effect on PWC in children aged 7-12 years and can be corrected by iron therapy.