T 5diff, Bayer ADVIA-120 and Sysmex XT- 1800i three types of Hematology Analyzers by experiments ,then review the comparison of their results and whether the deviation within the scope of allow.

• T5diff,BayerADVIA-120,SysmexXT-1800i三台不同血细胞分析仪的性能,对比分析它们测定结果的可比性及偏差是否在允许范围内。