This paper explains the way to calculate the estimate of prevalence rate of disorder in screening designs of two-phase.
本文介绍二阶段筛查设计时患病率估计值的计算方法。
Despite intense research efforts, larger studies with improved experimental designs are still needed to maximize patient outcomes and to elucidate better guidelines for long-term screening.
尽管人们已为此项研究付出了很大努力，但仍需进行规模要更大、实验设计更优化的研究，以使患者的预后情况达到最佳，并制定出更好的长期随访筛查指南。
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