Methods:Two hundred and fifty-five samples were retest for HBsAg by EIA,comparing with the results those were tested 13 years ago by McAb-RPHA,and assessing by Kappa statistic.

• 方法 :采用酶免疫测定法 (EIA)对保留血清 2 5 5份作HB sAg检测 ,并与原用单克隆抗HBsAg诊断血细胞 (McAb -RPHA)检测的结果作一致性检验 (Kappa分析 )。