我们可以通过利用组距数列的下限值或上限值来求平均指标的方法加以避免。
We can apply the method that using the class upper limit or class lower limit in computing the average to avoid.
与对照组相比，治疗组患者肝纤维化的指标改善及HBV DNA低于检测下限的比率更为显著。
Compared with the control group, the improvment of liver fibrosis index and HBV DNA negative rate of patients in therapy group were more obvious.
应用推荐