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目的：评价离差法制订生长发育标准及ＢＭＩ法、ＢＭＩ校正法评价中国儿童少年现时营养状况的合理性。方法：以身高标准体重法为标准，用单因素卡方分析判别离差法的评价效果；以Ｒｉｄｉｔ分析比较ＢＭＩ法、ＢＭＩ校正法的评价效果。结果：离差法与身高标准体重法相比，评价结果差异有显著性意义；ＢＭＩ法与ＢＭＩ校正法与身高标准体重法相比，评价结果差异也有显著性。结论：离差法评价生长发育已不符合客观实际；ＢＭＩ法对儿童少年营养状况的评价并不适用，ＢＭＩ校正法还有待于探讨。
OBJECTIVE: To evaluate the rationale for establishing the standard of growth and development and the BMI method by using the dispersion method and evaluating the current nutritional status of Chinese children and adolescents with the BMI method. Methods: The standard height weight method was used as a standard to evaluate the evaluation effect of discriminant discrepancy method by using one-way chi-squared test. The BMI method and BMI calibration method were compared by Ridit analysis. Results: There were significant differences in evaluation results between deviation method and height standard weight method. There was also a significant difference in evaluation results between BMI method and BMI correction method and height standard weight method. Conclusion: The deviation method is not in line with objective reality to evaluate the growth and development. The BMI method does not apply to children ’s nutritional status evaluation. The BMI correction method remains to be discussed.