CAJ | 학술논문

目的：通过σ值和质量目标指数制定质量改进方案，根据测量不确定度的改变判断质量改进的效果，为有效地提高临床实验室质量水平提供可靠的实验室依据。方法分析血细胞分析项目的质量控制数据，计算σ值、质量目标指数（QGI）和测量不确定度，评价其分析性能，设计质量改进方案并运行一年，根据测量不确定度的改变来判断质量改进的效果。结果2012年血细胞分析检验项目的过程性能评价优秀率（σ值大于4σ）达62．5％，σ值大于6σ的项目达37．5％，有62．5％的项目需要改进；2013年较2012年有50％的项目测量不确定度有所改进，实验室质量水平得到提高。结论分析性能σ值、质量目标指数联合测量不确定度评估是一种提高效率与降低成本的良好管理方法。
목적：통과σ치화질량목표지수제정질량개진방안，근거측량불학정도적개변판단질량개진적효과，위유효지제고림상실험실질량수평제공가고적실험실의거。방법분석혈세포분석항목적질량공제수거，계산σ치、질량목표지수（QGI）화측량불학정도，평개기분석성능，설계질량개진방안병운행일년，근거측량불학정도적개변래판단질량개진적효과。결과2012년혈세포분석검험항목적과정성능평개우수솔（σ치대우4σ）체62．5％，σ치대우6σ적항목체37．5％，유62．5％적항목수요개진；2013년교2012년유50％적항목측량불학정도유소개진，실험실질량수평득도제고。결론분석성능σ치、질량목표지수연합측량불학정도평고시일충제고효솔여강저성본적량호관리방법。
Objective To establish quality improvement project through theσ value and quality goal index ,then determine the effect of quality improvement by comparing the changes of uncertainty ,provide the laboratory basis for the effective improving of the quality of clinical laboratory .Methods The quality control data of blood cell analysis items were analyzed ,and the σ values , quality goal index (GQI) and measurement uncertainty [u(Rw)] were calculated and the performance was estimated .The quality improvement project was designed and had run for one year .The effect of quality improvement project was determined according to u(Rw) changes .Results The excellent rate (σvalue >4σ) of process performance evaluation in 2012 was up to 62 .5% ,the items withσvalue>6σamounted to 37 .5% ,about 62 .5% of the items needed to be improved .Comparing the u(Rw) in 2013 with 2012 , the improvement rate was 50% .The laboratory quality had been improved .Conclusion The performance analysis of σvalue ,GQI combined uncertainty evaluation is a good management method to improve the efficiency and reduce the cost .