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目的 探讨疾病空间分布的量化统计指标在疾病空间分析中的应用价值。方法 在概率模型基础上 ,提出反应疾病空间分布状态的定量统计指标———病例聚集系数、病例平均密度、病例平均聚集度和病例聚灶指数。结果 获得疾病空间分布状态定量统计指标的计算方法和流行病学含义。结论 该统计指标不仅可分析疾病的空间分布特征 ,而且可明确其流行病学意义
Objective To investigate the application value of quantitative statistical indicators of disease spatial distribution in disease spatial analysis. Methods On the basis of the probabilistic model, quantitative statistical indicators of the spatial distribution of disease response were proposed--case clustering coefficient, case average density, case clustering degree and case polytopic index. Results The calculation methods and epidemiological implications of the quantitative statistical indicators of the spatial distribution of diseases were obtained. Conclusion This statistical indicator can not only analyze the spatial distribution of the disease, but also define its epidemiological significance.