有效控制街头采血ALT报废率的探讨

目的:探讨有效控制街头采血丙氨酸氨基转移酶(ALT)报废率。方法:对492名街头无偿献血者经干式生化分析仪初筛合格(ALT40U/L)而回站内经大型全自动生化分析仪复检不合格(ALT≥40U/L)的血液情况进行分析,寻找规律;同时,随机抽取20名无偿献血者血样经干式生化分析仪和全自动生化分析仪准确检测,对数据进行直线相关与直线回归的统计学分析。结果:492名干式生化分析仪初筛合格而全自动生化分析仪复检不合格情况有规律性;干式生化分析仪与全自动生化分析仪直线相关性良好r=0.994 0,直线回归方程为y=0.485 4+0.976 9x,当全自动生化分析仪x取值40时,个体干式生化分析仪y值的95%容许区间为:34.57~44.55U/L。结论:干式生化分析仪初筛限值ALT≥33U/L为不合格时,回站内全自动生化分析仪复检ALT≥40U/L的为零,可有效控制街头采血ALT报废率。

Effective control of blood ALT scrap rate collected in the streets

Objective：To investigate the effective control of blood alanine aminotransferase （ALT） scrap rate collected in the streets. Method：The blood of 492 street voluntary blood donors which were qualified screened by dry biochemical analyzer （ALTO40 U/L） and were not qualified by large full automatic biochemical analyzer examination back to the station （ALTO40 U/L） were analyzed, so as to find the regularity. At the same time, a random blood sample of 20 blood donors were accurately detected by dry biochemical analyzer and automatic biochemical analyzer, and data was done statistical analysis of linear correlation and linear regression. Result： There was a regularity in the situation of 492 cases with qualified screened by dry biochemical analyzer and unqualified retested with automatic biochemical analyzer. There was a good linear correlation between dry biochemical analyzer and automatic biochemical analyzer r=0. 994 0. Linear regression equation was y=0. 485 4＋0. 976 9x. When x value of automatic biochemical analyzer was 40, the 95 % tolerance interval of y value of the individual dry biochemical analyzer was： 34.57 U/L-44.55 U/L. Conclusion：It could effectively control blood ALT scrap rate collected in the streets with unqualified as dry biochemical analyzer screening limits ALTO33 U/L, and zero as automatic biochemical analyzer for ALTO40 U/L back to the station.