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目的 :通过江苏省流感监测数据,分析流感样病例(influenza-like illness,ILI)和流感病毒核酸检测阳性率的相关关系。方法:比较江苏省2011~2013年30周不同年龄组间ILI报告数、核酸检测阳性率有无差异,并分析ILI和核酸检测阳性率的相关性。结果:2011~2013年30周我省3个年龄组ILI数差异均有统计学意义,核酸检测阳性率差异也均有统计学意义,0~4岁和5~14岁年龄组ILI与核酸阳性率相关系数无统计学意义,但是15岁及以上年龄组两者相关系数有统计学意义。结论:通过提高ILI报告质量、标本采集质量及监测方案的适时调整,可以获得更加科学有效的流感监测工作效果。
Objective: To analyze the correlation between influenza-like illness (ILI) and the detection rate of influenza virus nucleic acid by the flu surveillance data in Jiangsu Province. Methods: The ILI reports and the positive rate of nucleic acid in different age groups in Jiangsu Province from 2011 to 2013 were compared. And the correlation between ILI and the positive rate of nucleic acid was analyzed. Results: There were significant differences in the ILI numbers among the three age groups in our province from 2011 to 2013 and the positive rates of nucleic acid detection were also statistically significant. ILI was positively correlated with nucleic acid in 0 ~ 4 and 5 ~ 14 age groups The correlation coefficient was not statistically significant, but the correlation coefficient between the age group of 15 and above was statistically significant. CONCLUSIONS: A more scientific and effective influenza surveillance work can be achieved by improving the quality of ILI reports, the quality of specimen collection and the timely adjustment of monitoring programs.