假定血糖在常规实验室20天测定的质控结果的均数为5.5mmol/L,标准差为0.5mmol/L,如果采用1<sub>2S</sub>规则,其失控制界限为 ( )
A、下限为5mmol/L,上限为6mmol/L
B、下限为4mmol/L,上限为7mmol/L
C、下限为4.5mmol/L,上限为6.5mmol/L
D、下限为4mmol/L,上限为6.5mmol/L
E、下限为3.5mmol/L,上限为7.5mmol/L
发布时间:2023-07-25 23:50:58
A、下限为5mmol/L,上限为6mmol/L
B、下限为4mmol/L,上限为7mmol/L
C、下限为4.5mmol/L,上限为6.5mmol/L
D、下限为4mmol/L,上限为6.5mmol/L
E、下限为3.5mmol/L,上限为7.5mmol/L