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目的探讨呼吸道感染患儿肺炎支原体的感染情况。方法荧光定量PCR法。结果肺炎支原体的总检出率为29.1%,30d~1岁组,1~3岁组、>3岁组的患儿肺炎支原体感染率明显高于<30d组,差异有统计学意义。四季差异无统计学意义。男女阳性率比较差异无统计学意义。血液和痰标本阳性率比较差异有统计学意义。结论肺炎支原体感染随着年龄增长感染率逐步升高。痰标本检出的阳性率明显高于血液标本。
Objective To investigate the infection of Mycoplasma pneumoniae in children with respiratory tract infection. Methods Fluorescent quantitative PCR method. Results The total detection rate of Mycoplasma pneumoniae was 29.1%. The prevalence of Mycoplasma pneumoniae in children aged 30 to 1 years, 1 to 3 years and> 3 years old was significantly higher than that in <30 days. The difference was statistically significant. Four seasons difference was not statistically significant. There was no significant difference between male and female positive rate. The positive rate of blood and sputum specimens was statistically significant difference. Conclusion Mycoplasma pneumoniae infection gradually increases with age. The positive rate of sputum specimens was significantly higher than that of blood specimens.