Methods The level of complement C1q and C5 and C9 in twenty-five patients (test group) and twenty healthy subjects(control group) were detected by using the immunological method.

• 方法选择我院慢性肺心病患者25例(观察组),另选同期健康体检者20例(对照组),采用免疫比浊法测定两组患者血清补体C1q、C5、C9水平。