论文部分内容阅读
目的对宁夏银川市传染病自动预警信息系统运行后实际应用价值进行评价。方法对银川市传染病自动监测预警系统平台2009年监测信息的初步判定、现场调查核实等结果进行分析,评价预警信息的及时性、敏感性和有效性。结果 2009年银川市传染病自动预警信息系统发出预警信号1 129个,经初步判断核实,判定疑似事件67起,占5.93%;现场流行病学调查核实确定疫情62起,预警信号总体阳性率为5.49%,均为人群聚集性传染病疫情事件;系统发出预警信号到填写异常卡平均时间为0.82 h,初步审核判定及时率100%,12 h内现场调查核实处置及时率98.51%(66/67);67起疑似事件经现场调查核实62起,占94.04%,敏感性较高;1 125个有效预警信息中,预警病种阳性62起,有效性5.6%,总体有效性尚不高。结论银川市传染病自动预警信息系统的预警及时性、敏感性较好,但预警有效性有待提高。
Objective To evaluate the practical value of the automatic warning information system for infectious diseases in Yinchuan, Ningxia after operation. Methods The preliminary results of 2009 monitoring information of Yinchuan infectious disease automatic monitoring and early warning system platform and field investigation and verification were analyzed to evaluate the timeliness, sensitivity and effectiveness of early warning information. Results In 2009, an epidemic warning system of infectious diseases in Yinchuan was issued with 1 129 early-warning signals, of which 67 were found to be suspected cases, accounting for 5.93% of the total. Sixty cases were confirmed by on-site epidemiological investigation and the overall positive rate of early warning signals was 5.49% of them were all epidemic groups of infectious diseases; the average time for the system to issue an early warning signal to fill out the abnormal card was 0.82 h, the preliminary examination and judgment timely rate was 100%, and the on-site investigation and disposition timely rate was 98.51% (66/67 ); 67 suspected cases were verified by on-site investigation 62, accounting for 94.04%, higher sensitivity; 1 125 effective early warning information, early warning disease-positive 62, the effectiveness of 5.6%, the overall effectiveness is not high. Conclusion Yinchuan City, automatic warning information system of infectious disease warning timeliness, sensitivity is better, but the effectiveness of early warning needs to be improved.