This use is based on small trials that did not have the statistical power to evaluate accurately important clinical outcomes, including safety 該應(yīng)用是基于一些小型試驗(yàn),這些試驗(yàn)不具備準(zhǔn)確評(píng)估包括安全性等重要臨床轉(zhuǎn)歸的統(tǒng)計(jì)學(xué)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 以前曾有小范圍的研究表明極低出生體重嬰兒的腦癱發(fā)病率可能在下降,目前的研究則是第一次借助了統(tǒng)計(jì)學(xué)方法來(lái)精確闡明發(fā)病趨勢(shì)。