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在近来两次全国结核病流行病学抽样调查中,由于没有获得省级结核病患病率数据,为各省估算其患病率和疾病负担带来一定的困难。空间插值技术可以通过全国抽样点数据推算未抽样点的数据。作者综述了几种空间插值方法的特点和原理,及其在结核病和非结核病流行病学领域中的应用,并作出将在结核病患病率计算中应用插值方法的展望。
In the recent two national TB epidemiological sampling surveys, the lack of access to provincial TB prevalence data provided some difficulties for provinces to estimate their prevalence and burden of disease. Spatial interpolation technique can calculate the data of unsampled points through the national sampling points data. The authors summarize the characteristics and principles of several spatial interpolation methods and their applications in the field of tuberculosis and non-tuberculosis epidemiology and make an outlook for applying interpolation methods in the calculation of the prevalence of tuberculosis.