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目的寻找影响采血量的关键因素,建立数学模型,为采供血工作提供指导和保障。方法以2015年中国输血协会《全国采供血工作情况调研》中的数据为基础,用SPSS软件对全国325个采供血机构的采血量与宣传经费、纪念品经费、固定献血者数量、献血设施数量、职工人数、财政拨款等指标作相关性分析,建立单因素线性方程,筛选关键影响因素,建立多元线性回归方程。结果采血量与上述各项指标均呈现明显相关(r>0.5),线性关系显著(P<0.01);在与采血量相关的各项指标中,除“固定献血点数量”外的7项指标均为采血量的关键影响因素,协同影响采血量,关系模型为:y=0.062x_1+0.019x_2+0.148x_3+0.221x_4+0.005x_5+0.036x_6+0.007x_7-2.76。结论采供血机构只有对与采血量相关的各项指标科学分析和充分利用,才能逐步走出采供血工作的困局,切实做到保障血液的充足供应。
Objective To find out the key factors influencing the amount of blood collected, establish mathematical models and provide guidance and guarantee for blood collection and blood collection. Methods Based on the data from “The Survey of National Blood Collection and Supply” published by the Chinese Society of Blood Transfusion in 2015, SPSS software was used to analyze the blood collection and publicity funds, souvenir funds, fixed blood donors, blood donation facilities, Staff numbers, financial allocations and other indicators for the correlation analysis, the establishment of single-factor linear equation, screening key influence factors, the establishment of multiple linear regression equation. Results The blood volume was significantly correlated with each of the above indexes (r> 0.5), with a significant linear relationship (P <0.01). Among the indexes related to blood sampling, except the number of fixed blood donation points The indexes of the items were all the key influencing factors of the amount of blood collected, and the synergistic effect on the amount of blood collected was y = 0.062x_1 + 0.019x_2 + 0.148x_3 + 0.221x_4 + 0.005x_5 + 0.036x_6 + 0.007x_7-2.76. Conclusion Only by analyzing and making full use of the indexes related to the amount of blood collected can the blood collection and supply institution gradually emerge from the predicament of the blood collection and supply work so as to ensure the adequate supply of blood.