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目的探讨两种不同型号生化仪测定总蛋白和白蛋白结果的可比性。方法按照NCCLS EP9-A2文件的要求，以日立7600生化分析仪为实验仪器(Y)，贝克曼AU5800生化仪为比对仪器(X)，收集住院及门诊患者高、中、低浓度血清分别在两台生化仪上测定，对测定结果进行分析比对及统计学处理。结果两种不同型号生化仪间检测结果差异无统计学意义(>0.05)，检测结果明显相关(2>0.95)，总蛋白和白蛋白的相关系数分别为0.991和0.995，两台仪器间不同医学决定水平测定结果的相对偏差均在允许误差范围内。结论两台仪器测定总蛋白和白蛋白结果有较好的可比性。“,”Objective To discuss the comparability of serum total protein and albumin results detected by two dif erent biochemical analyzers. Methods According to NCCLS document EP9-A2, Hitachi 7600 biochemical analyzer is laboratory equipment (Y) and Beckman AU5800 biochemical analyzer is Comparative equipment (X). Col ecting high, medium and low value serum of Inpatient and outpatient measured on two biochemical analyzer. The results were comparative analysis and statistical analysis. Results The variance analysis showed the results between the two biochemical analyzers had no significant dif erence ( >0.05) and were significantly cor elated (r2>0.95), the correlation coef icients of total protein, albumin were 0.991 and 0.995. The results showed good comparability. The relative deviation of dif erent levels of medical decision results between the two instruments are within the al owable er or range. Conclusion There is good comparability between the results of serum total protein and albumin detected by two dif erent biochemical analyzers in our hospita1.