Geographical distribution rule of normal reference value of old female’s hemoglobin based on factor analysis
- VernacularTitle:基于因子分析研究老年女性血红蛋白正常参考值的空间分布规律
- Author:
Zhiyuan CUI
;
Miao GE
;
Yafeng LIU
;
Shujun ZHANG
;
Yan ZHAO
;
Wei LIANG
- Publication Type:Journal Article
- Keywords:
factor analysis;
hemoglobin;
spatial analysis;
reference value
- From:
Journal of Jilin University(Medicine Edition)
2006;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To reveal the geographical distribution regularity of the normal reference value of old female’s hemoglobin in China,and provide scientific basis for making its unified standards.Methods The normal reference values of 15 690 examples of old female’s hematocrit by the method of hemoglobin cyanide(HiCN)and five geographical factors in 157 areas in China,its distribution regularity and the complex relationship characteristic between geography environment elements were analyzed with the methods of factor analysis,spatial analysis of GIS and correlation analysis.Results By the method of factor analysis,the five factors of geography environment were combined into two common factors F1and F2;the original data was replaced with its scores to infer the regression equation :y^=127.9-0.01009F1-0.01543F2?8.8.And this equation was used to figure out the reference value of 1 288 observation points in China.With support of the model of spatial analysis of GIS,the distribution regulation of old female’s hemoglobin reference value in China and its distribution regularity was west-higher,east-lower,north-higher and south-lower.Conclusion If some area’s altitude(X1),sunshine hours yearly(X2),mean relative humidity yearly(X3),mean temperature yearly(X4),precipitation yearly(X5) are known,this place’s reference value of hemoglobin can be calculated out by using this equation.The reference value of hemoglobin in any areas in China can be gotten from the trend distribution regularity map.
