卫生统计工作者经常要在一个社区的范围内进行卫生状况或卫生工作开展情况的调查。过去,进行这类调查,从收集数据到处理、分析数据,时间冗长,短则数月,长则数年,不能适应工作的需要。为了改变这种情况,美国加州大学洛杉矶分校公共卫生学院院长弗端里 Health statisticians often carry out investigations into the state of health or the development of health work within a community. In the past, such surveys were carried out, from collecting data to processing and analyzing data, which were time-consuming, ranging from a few months to a few years, but they could not meet the needs of work. In order to change this situation, the University of California at Los Angeles School of Public Health Dean Fonderly