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本文对61例系统性红斑狼疮(SLE)患者血清中C_3和CH_(50)含量进行测定,按活动期和缓解期;肾炎组和非肾炎组进行分析。活动期患者血清C_3和CH_(50)的水平较缓解期均有明显降低(P<0.001)。C_3<100u/ml者占90％,其中C_3<80u/ml者占77.8％。活动期CH_(50)<50u/ml者占80％。而C_3<50u/ml(小于正常之半)者有26.3％均伴有肾炎。肾炎组C_3水平较非肾炎组明显降低(P<0.001)。血清C_3水平降低对鉴别有无
In this paper, 61 cases of systemic lupus erythematosus (SLE) serum C_3 and CH_ (50) content were measured by active phase and remission; nephritis group and non nephritis group were analyzed. The levels of serum C_3 and CH_ (50) in active patients were significantly lower than those in remission (P <0.001). C_3 <100u / ml accounted for 90%, of which C_3 <80u / ml accounted for 77.8%. Active CH_ (50) <50u / ml accounted for 80%. While C_3 <50u / ml (less than half the normal), 26.3% were associated with nephritis. Nephritis group C_3 levels were significantly lower than non-nephritis group (P <0.001). Serum C_3 level decreased to identify the presence or absence