Objective To appraise the two methods[polyethylene glycol(PEG) precipitation assay and CIC-C1q ELISA assay] which were used to detect the circulating immune complexes(CIC) and the clinical significance of CIC.

• 目的 对测定血清循环免疫复合物 ( circulating immune complexes,CIC)的两种方法 ( PEG沉淀法及 CIC-C1 q ELISA法 )进行评价 ,进一步探讨 CIC测定的临床意义。