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对５１例临床疑似支原体肺炎的住院患儿分别采用冷凝集试验（ｃｏｌｄａｇｇｌｕｔｉｎａｔｉｏｎｔｅｓｔＣＡ）和聚合酶链式反应（ＰｏｌｙｍｅｒａｓｅＣｈａｉｎＲｅａｃｔｉｏｎＰＣＲ）进行检测，，并对检测结果与入院时的病程之间的关系加以探讨。１６例确诊为支原体肺炎，其中２例病程小于１周，ＰＣＲ（＋）、ＣＡ（－），复查后ＣＡ（＋）；１２例病程在１周～４周，ＰＣＲ（＋）、ＣＡ（＋）或ＰＣＲ（＋）、ＣＡ（－）；２例病程大于４周，ＰＣＲ（－）、ＣＡ（＋）。表明两种实验结果与病程密切相关，两者联合应用有利于支原体肺炎诊断水平的提高。
51 hospitalized children with suspected clinical mycoplasma pneumonia were tested by cold agglutination test (CA) and polymerase chain reaction (PolymeraseChainReaction PCR), and the relationship between the test results and the course of hospitalization was Discussion. 16 cases were diagnosed as Mycoplasma pneumonia, 2 cases had less than 1 week course, PCR (+), CA (-) and CA (+) after review; ) Or PCR (+), CA (-); 2 patients with a course of more than 4 weeks, PCR (-), CA (+). Show that the two experimental results and the course of the disease is closely related to the combination of the two is conducive to the diagnosis of mycoplasma pneumonia increased.