RESEARCH IN PHYSICAL MEDICINE AND REHABILITATION .3. THE CHART REVIEW OR HOW TO USE CLINICAL-DATA FOR EXPLORATORY RETROSPECTIVE STUDIES
RESEARCH IN PHYSICAL MEDICINE AND REHABILITATION .3. THE CHART REVIEW OR HOW TO USE CLINICAL-DATA FOR EXPLORATORY RETROSPECTIVE STUDIES
复制标题
DOI：
10.1097/00002060-199102001-00008
复制
发表时间：
1991-02-01
影响因子：
3
通讯作者：
DAUM, MC
中科院分区：
文献类型：
--
作者：
FINDLEY, TW;DAUM, MC
本文利用现有的临床数据指导一个小型研究项目的设计和执行。实验设计中最重要的一点是在你开始之前确定潜在的困难和限制，1)审查已发表的研究，2)使用你的临床经验和3)审查个人病例记录。其中一些问题可以通过改变研究设计来解决，但有些问题是我们被迫使用的数据和方法所固有的。研究设计的选择可能主要基于临床数据的质量和可用于额外数据收集的资源。必须首先确定数据的测量级别(名义、顺序、间隔或比率)，因为它限制了您可以使用的描述性和统计技术。在您决定要包含多少变量之后，粗略地猜测样本大小将帮助您选择要查看的图表。实际复习三个图表将进一步找出任何困难，并将使您能够修改您的学习，并做出完成时间的准确估计。考虑到大多数项目的时间跨度都很长，准确的记录是必不可少的。
This article guides the design and execution of a small research project using existing clinical data. The most important point in experimental design is to identify potential difficulties and limitations before you start by 1) review of published studies, 2) use of your clinical experience and 3) review of individual case records. Some of these can be addressed by changes in the study design, but some are inherent in the data and methods we are forced to use. The choice of study design may be based primarily on the quality of the clinical data and available resources for additional data collection. The level of measurement (nominal, ordinal, interval or ratio) of your data must first be determined as it limits the descriptive and statistical techniques you can use. After you decide how many variables to include, a rough guess of sample size will help you select your charts for review. Actual review of three charts will further pinpoint any difficulties and will allow you to revise your study and make an accurate estimate of time to completion. Given the long time span of most projects, accurate record keeping is essential.