在Sysmex XN-10上的细胞群数据的分析器内部和分析器间不精确
Marco Tosi1, Laura Pighi1, Mariateresa Rizza1
1Section of Clinical Biochemistry, University of Verona, Verona, Italy.
EJIFCC
|February 9, 2026
概括
来自Sysmex XN-10分析仪的细胞群数据 (CPD) 显示出出色的可重复性. 关键参数如中性粒细胞光强度 (NE-SFL) 和单细胞复杂性 (MO-X) 是可靠的临床诊断,特别是感染和败血症.
科学领域:
- 血液学 血液学 血液学
- 临床诊断 临床诊断 临床诊断
- 医疗技术 医疗技术 医学技术
背景情况:
- 细胞种群数据 (CPD) 提供了超越传统计数的白细胞的先进洞察力.
- 临床采用CPD需要经过验证的分析精度和仪器间的一致性.
研究的目的:
- 在Sysmex XN-10血液分析仪上评估CPD参数的分析精度和可重复性.
- 评估特定的CPD参数是否适合临床使用,特别是在感染和败血症诊断中.
主要方法:
- 两个K2EDTA血液样本在两个Sysmex XN-10分析仪上进行了10次复制分析.
- 分析器内部和分析器间的不精确度是使用变化系数 (CV%) 计算的.
主要成果:
- 分析器内CV%在0.2-7.9%之间,分析器间CV%在0.6-9.8%之间.
- 中性细胞,淋巴细胞和单细胞CPD参数显示了低的内/间分析器CVs (0.2-7.9%/0.6-9.8%).
- NE-SFL和MO-X参数的不精确度非常低 (分析器内CV% 0.7-0.9%和0.2-0.5%;分析器间CV% 0.9-1.7%).
结论:
- 在CPD参数方面,Sysmex XN-10表现出极好的可重复性.
- NE-SFL和MO-X的低变异性支持它们作为感染和败血症诊断的临床参数的可靠性.
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