A research is conducted on the relationship between the normal reference value of 20,475examples of hemoglobin of young women and five geographical factors in 208 areas in China, thenormal reference value is determined by the hemoglobincyanide method. It is found that thecorrelation of geographical factors and the normal reference value of hemoglobin of young womenare quite significant (F=142.81). By using the method of multiple linear regression analysis, oneregression equation is inferred. If geographical values are obtained in some areas, the normalreference value of hemoglobin of young women of this area can be reckoned by using the regressionequation. Furthermore, depending on the geographical factors, China can be divided into six regions:Qinghai-Tibet (Qingzang) Plateau, Southwest, Northwest, Southeast, North and Northeast China.
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