Abstract
Objective To compare the difference between ELISA and chemiluminescence assay in de-tecting hepatitis B surface antibody (HBsAb) serum valued in 5～100mIU/ml. Method 127 HBsAb serum samples that had valued by chemiluminescence were detected using 10 domestic ELISA kits. The correlation between the results of ELISA kits and chemiluminescence assay were analyzed. Coincidence between the results of ELISA kits and chemiluminescence at different OD value range were also analyzed. Results The detected results between 10 domestic ELISA kits and chemiluminescence assay are positive correlation (P<0.01); The optimal coincidence rates of the results of ELISA with those samples valued by chemiluminescence at more than 100mIU/ml was 99.4%; the coinci-dence rate is from 42% to 80% in cut-off±20%. The average coincidence rate is under 60%. Conclusions Though the detected results of 10 domestic ELISA reagents is related closely, the coincidence rate of the results at 5～10mIU/ ml in detecting anti-HBs is low. So it is important to make a positive standard in detecting anti-HBs. Key words: HBsAb; ELISA; Chemiluminescence
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