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机构地区:[1]中国疾病预防控制中心寄生虫病预防控制所,卫生部寄生虫病原与媒介生物学重点实验室,世界卫生组织疟疾、血吸虫病和丝虫病合作中心,上海200025 [2]桦川县疾病预防控制中心,佳木斯154300
出 处:《国际医学寄生虫病杂志》2015年第3期170-172,共3页International JOurnal of Medical Parasitic Diseases
摘 要:目的 构建灰色GM(1,1)模型用于人群华支睾吸虫感染情况预测。 方法 利用“华支睾吸虫病病例/症状监测系统”收集的黑龙江省桦川县2013年7月—2014年6月人群华支睾吸虫感染监测数据构建时间序列,根据数列矩阵运算原理,采用EXCEL软件中的MINVERSE等函数对该资料进行拟合,确定人群华支睾吸虫感染GM(1,1)预测模型并判断精度。 结果 2013年7月—2014年6月间共收集了271例华支睾吸虫感染者信息,GM(1,1)模型的时间响应函数为Xt+1′=16.0245e-0.0787t,后验差比值C=0.5884,精度达到了基本合格水平。 结论 初步构建了华支睾吸虫感染预测的灰色GM(1,1)模型,为今后预测人群华支睾吸虫感染情况提供了基础。Objective To construct the grey model(1,1) for the prediction of Clonorchis sinensis infec- tion. Methods The time related sequence was set up based on the data of Clonorchis sinensis infection in Huachuan County Heilongjiang Province from July 2013 to June 2014 collected from the monitoring system for case/symptom of clonorchiasis. According to the principle of matrix operation, the data were analyzed with series of function like MINVERSE in EXCEL software to establish the grey prediction model( 1,1 ) which was evaluated for the accuracy subsequently. Results Total information of 271 people with Clonorchis sinensis infection was collected from July 2013 to June 2014, and the time response function of the model was Xt+1′= 16.0245e^-0.0787t while C value was 0.5884, so the accuracy was also qualified. Conclusion The grey model (1,1) for the prediction of Clonorchis sinensis infection was preliminarily constructed, which provides the basis for prediction of Clonorchis sinensis infection in future.
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