statistical power meaning in English

统计功效
统计考验力

This use is based on small trials that did not have the statistical power to evaluate accurately important clinical outcomes , including safety
该应用是基于一些小型试验，这些试验不具备准确评估包括安全性等重要临床转归的统计学效力。
While previous , smaller studies have suggested that cp may be declining in vlbw children , this study is the first with the statistical power to accurately detect prevalence trends
以前曾有小范围的研究表明极低出生体重婴儿的脑瘫发病率可能在下降，目前的研究则是第一次借助了统计学方法来精确阐明发病趋势。