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中文摘要：
目的揭示中国老年女性血红蛋白（Hb）参考值的地理分布规律，为制定其统一标准提供科学依据。方法收集了中国43个地区用氰化高铁血红蛋白（HiCN）法测定的5296例Hh参考值，运用趋势面分析、GIS空间分析和相关分析的方法研究其地理分布规律。结果用空间趋势面分析方法推出老年女性Hb参考值的6次趋势方程：Z（XY）=-298.89＋3.7521X＋15.636Y－0.0015926X^2Y－0.00039986Y^3＋4.3321×10^-11X^6－4.4113×10^-12X^4Y^2＋8.9176×10^-9X^2Y^4－3.9280×10^-8Y^6±8.5，显示其西高东低、北高南低的分布规律，且与地理环境有显著的相关关系。结论若已知中国某地的经度（X）、纬度（Y），可用趋势方程计算出该地Hh参考值，从趋势分布规律图也可得到中国任何地方的Hb参考值。
英文摘要：
Objective To discover geography distribution rule of Chinese old female＇s hemoglobin （Hb） reference values and provide basis for establishing its unified standard. Methods 5296 female＇s Hb reference values from 43 regions of China were collected and analyzed by trend surface, GIS spacial and correlation analysis. Results With the method of special trend surface analysis, the equation of old female＇ s Hb reference value is Z（XY）=-298.89＋3.7521X＋15.636Y-0.0015926X^2Y-0.00039986Y^3＋4.3321×10^-11X^6-4.4113×10^-12X^4Y^2＋8.9176×10^-9X^2Y^4-3.9280×10^-8Y^6±8.5. Hb reference value distribution rule showed that west was higher than east and north was higher south, and had obvious relationship with geographic environment. Conclusions Hb reference values in any areas of China can be counted according to longitude（X） and latitude（Y） with the trend equation or be gained from the trend distribution figure.
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