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根据WHO参比方法,在设定国际标准化比值相同的情况下,用已知国际敏感度指数(ISI)的进口兔脑组织凝血活酶对自制未知ISI的兔脑组织凝血活酶进行标定,结果表明:自制兔脑组织凝血活酶ISI为2.45,进口兔脑组织凝血活酶ISI为2.48,自制兔脑组织凝血活酶ISI小于进口兔脑组织凝血活酶,并且对两种组织凝血活酶的敏感度、精确度、稳定性进行比较测定,结果近似,二者组织凝血活酶差异较小,证明自制兔脑组织凝血活酶可完全代替进口兔脑组织凝血活酶。
According to the WHO reference method, rabbit ISH rabbit thromboplastin was calibrated with imported rabbit brain thromboplastin with known international sensitivity index (ISI) under the same international standardization ratio. Results The results showed that the ISI of homemade rabbit brain tissue thromboplastin was 2.45, ISI of imported rabbit brain tissue thromboplastin was 2.48, ISI of homemade rabbit brain tissue thromboplastin was less than that of imported rabbit brain tissue thromboplastin, The sensitivity, accuracy and stability of thromboplastin were comparatively determined. The results were similar, and the difference of thromboplastin between the two was less, which proved that homemade rabbit thromboplastin could completely replace the imported rabbit thromboplastin.