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目的研究南京地区0~5岁儿童血清钙水平及其与季节的关系。方法采用BH5100型原子吸收光谱仪检测南京地区24 977例0~5岁儿童末梢血中的钙元素含量,分析其与不同因素间的关系。结果 0~5岁儿童钙水平为(1.78±0.17)mmol/L。钙缺乏的548例(2.2%)儿童中,0~1岁儿童居多。5岁女童的钙水平高于男童[(1.80±0.16)mmol/L vs.(1.77±0.15)mmol/L](P<0.05),而其他各年龄段男童和女童的钙水平无统计学差异(P>0.05)。第1、2季度钙水平高于第3、4季度[(1.80±0.15)mmol/L、(1.80±0.16)mmol/L vs.(1.76±0.15)mmol/L、(1.77±0.15)mmol/L](P<0.05)。结论儿童发育的不同时期都应当注意钙的补充。
Objective To study serum calcium level in children aged 0 ~ 5 years in Nanjing and its relationship with seasons. Methods The content of calcium in peripheral blood of 24 977 children aged 0 ~ 5 years in Nanjing was detected by BH5100 atomic absorption spectrometer. The relationship between them and different factors was analyzed. Results The calcium level of children aged 0-5 years was (1.78 ± 0.17) mmol / L. Of the 548 (2.2%) children with calcium deficiency, the majority of children aged 0-1 years. Calcium levels in 5-year-old girls were significantly higher than those in boys [(1.80 ± 0.16) mmol / L vs. (1.77 ± 0.15) mmol / L] (P <0.05) Learning difference (P> 0.05). The calcium levels in the first and second quarters were higher than those in the third and fourth quarters (1.80 ± 0.15 mmol / L, 1.80 ± 0.16 mmol / L vs. 1.76 ± 0.15 mmol / L, 1.77 ± 0.15 mmol / L] (P <0.05). Conclusion Different stages of childhood development should pay attention to calcium supplementation.