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目的分析临床生化检验室间质评结果,提出改进措施,为临床提供准确且具有可比性的检验数据。方法 2015年7月对2012—2014年的临床生化室间质评进行调查,将血清定值作为靶值,采用统一的选定变异系数(variable coefficient,CCV)及生化质评变异指数(variability index,VI)计算公式。计数资料比较采用χ2检验,P<0.05为差异有统计学意义。结果对三年间室间质评结果进行观察,三年间检测VIS值中,Na与CI值为合格,分别为88.5与90.9,其余均为优秀。不同年份VIS优良率(87.2%、92.7%、96.5%)比较,差异有统计学意义(χ2=8.475,P<0.05),2014年优良率明显高于2013、2012年。结论临床生化检验室间质评可对实验室检测结果进行分析,从而为进一步提出改进措施,提高检验水平。
OBJECTIVE: To analyze the results of clinical laboratory biochemical laboratory results and to propose improvement measures to provide accurate and comparable test data for clinical practice. Methods In July 2015, a series of clinical biochemical laboratory tests were conducted in 2012-2014. Serum setting was used as target value. A uniform selected coefficient of variation (CVV) and a variability index , VI) Calculation formula. Counting data using χ2 test, P <0.05 for the difference was statistically significant. Results The results of three-year inter-laboratory qualitative assessment were observed. Among the three years of detection of VIS, Na and CI values were qualified, which were 88.5 and 90.9 respectively, with the rest being excellent. The difference was statistically significant (χ2 = 8.475, P <0.05). The excellent and good rates in 2014 were significantly higher than those in 2013 and 2012 respectively. Conclusion Clinical laboratory biochemical laboratory test results can be analyzed, so as to further improve the measures to improve the level of testing.