Li Zhongjie, Ma Jiaqi, Lai Shengjie, Zhang Honglong, Ren Xiang, Zeng Lingjia, Yu Jianxing, Wang Liping, Jin Lianmei, Yu Hongjie, Wang Jinfeng, Lan Yajia, Yang Weizhong
Key Laboratory of Surveillance and Early-warning on Infectious Disease,Division of Infectious Disease, Chinese Center for Disease Control and Prevention,Beijing 102206, China.
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Zhonghua Yu Fang Yi Xue Za Zhi. 2014 Apr;48(4):252-8.
To analyze the implement performance of China Infectious Diseases Automated-alert and Response System (CIDARS) of 31 provinces in mainland China, and to provide the evidences for further promoting the application and improvement of this system.
The amount of signals, response situation and verification outcome of signals related to 32 infectious diseases of 31 provinces in mainland China in CIDARS were investigated from 2011 to 2013, the changes by year on the proportion of responded signals and timeliness of signal response were descriptively analyzed.
A total of 960 831 signals were generated nationwide on 32 kinds of infectious diseases in the system, with 98.87% signals (949 936) being responded, and the median (the 25(th) percentile to the 75(th) percentile (P25-P75) ) of time to response was 1.0 (0.4-3.3) h. Among all the signals, 242 355 signals were generated by the fixed-value detection method, the proportion of responded signals was 96.37% (62 349/64 703), 98.75% (68 413/69 282) and 99.37% (107 690/108 370), respectively, and the median (P25-P75) of time to response was 1.3 (0.3-9.7), 0.8(0.2-4.9) and 0.7 (0.2-4.2) h, respectively. After the preliminary data verification, field investigation and laboratory test by local public health staffs, 100 232 cases (41.36%) were finally confirmed.In addition, 718 476 signals were generated by the temporal aberration detection methods, and the average amount of signal per county per week throughout the country were 1.53, and 8 155 signals (1.14%) were verified as suspected outbreaks. During these 3 years, the proportion of signal response was 98.89% (231 149/233 746), 98.90% (254 182/257 015) and 99.31% (226 153/227 715), respectively, and the median (P25-P75) of time to response was 1.1 (0.5-3.3), 1.0 (0.5-2.9) and 1.0 (0.5-2.6) h, respectively.
From 2011 to 2013, the proportion of responded signals and response timeliness of CIDARS maintained a rather high level, and further presented an increasing trend year by year. But the proportion of signals related to suspected outbreaks should be improved.
分析中国大陆31个省份中国传染病自动预警与响应系统（CIDARS）的实施绩效，为进一步推动该系统的应用与完善提供依据。
对2011年至2013年中国大陆31个省份CIDARS中与32种传染病相关的信号数量、响应情况及信号核实结果进行调查，对响应信号比例和信号响应及时性的年度变化进行描述性分析。
该系统在全国范围内共产生32种传染病信号960831条，其中98.87%（949936条）信号得到响应，响应时间中位数（第25百分位数至第75百分位数（P25 - P75））为1.0（0.4 - 3.3）小时。在所有信号中，242355条信号通过定值检测法产生，响应信号比例分别为96.37%（62349/64703）、98.75%（68413/69282）和99.37%（107690/108370），响应时间中位数（P25 - P75）分别为1.3（0.3 - 9.7）、0.8（0.2 - 4.9）和0.7（0.2 - 4.2）小时。经当地公共卫生人员进行初步数据核实、现场调查和实验室检测后，最终确诊100232例（41.36%）。此外，718476条信号通过时间异常检测法产生，全国每个县每周的平均信号量为1.53条，8155条信号（1.14%）被核实为疑似暴发。在这3年中，信号响应比例分别为98.89%（231149/233746）、98.90%（254182/257015）和99.31%（226153/227715），响应时间中位数（P25 - P75）分别为1.1（0.5 - 3.3）、1.0（0.5 - 2.9）和1.0（0.5 - 2.6）小时。
2011年至2013年，CIDARS的信号响应比例和响应及时性保持在较高水平，且呈逐年上升趋势。但疑似暴发相关信号的比例有待提高。
