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目的:为提高无脊髓灰质炎状态急性弛缓性麻痹(AFP)病例监测系统敏感性的可靠程度及监测质量。方法:用描述流行病学方法对杭州市2001-2008年监测系统中的排除AFP病例进行分析。结果:分析显示了被排除AFP病例的一些基本特征,AFP病例的诊断特异性为63.73%,以集体儿童为主,按月分布以10月为高,有记录3次免疫史占89.32%,排除AFP病例以调查时四肢肌力已经恢复正常及关节炎、滑膜炎、肌肉疼痛为主。结论:通过调查核实,监测系统中的非AFP病例被剔除,提高了AFP病例监测系统准确性。
Objective: To improve the reliability and quality of monitoring of acute flaccid paralysis (AFP) cases without poliomyelitis. Methods: Descriptive epidemiological methods were used to analyze the cases of AFP excluded from surveillance system in Hangzhou City from 2001 to 2008. Results: The analysis showed some basic features of AFP cases excluded. The diagnostic specificity of AFP cases was 63.73%, mainly in collective children. Monthly distribution was high in October. There were 89.32% AFP cases to investigate limb muscle strength has returned to normal and arthritis, synovitis, muscle pain based. Conclusion: Through the investigation and verification, the non-AFP cases in the monitoring system are eliminated, which improves the accuracy of AFP case monitoring system.