临床试验中队列研究的随访问题

Follow up in Cohort Study

队列研究又称为随访研究,近年来,队列研究开始用于中医临床研究(如预后研究、疗效评价)。随访是队列研究的一个重要环节,随访质量直接影响队列研究的统计分析和结论推断。探讨了队列研究的随访问题,包括随访的目的和内容、随访的方法、随访时间、随访中遇到的相关问题及如何提高队列研究的随访质量,希望对中医临床研究者正确认识随访的相关知识以及随访中相关问题的解决有所帮助。

Cohort study also named follow up study, has been used in clinical trials of traditional Chinese medicine（TCM）, such as prognostic evaluation and therapeutic effect evaluation. Therefore follow up is an important step in a cohort study, and follow up quality will directly affect the statistical analysis and drawing a conclusion. This article introduced the aim ,the content, the method and duration of follow up, we also discussed the relevant issues when conducting a follow up and the methods to deel with problems. We hope this article can be helpful to researchers of TCM.