Science of Neurosurgical Practice-Practical Statistics: Choosing the Right Test

Video Transcription

Video Summary

In this video, the speaker discusses various statistical concepts and their application in clinical trials. They start by talking about different types of variables, such as nominal, ordinal, and interval, and how to describe their central tendency and dispersion. The speaker then explains how to analyze and interpret different combinations of variables, including nominal-nominal, nominal-ordinal, and interval-nominal. They emphasize the importance of using appropriate measures of association and precision, such as risk difference, odds ratio, median difference, and confidence intervals. <br /><br />The speaker uses an example of a study on memantine in Alzheimer's disease to demonstrate the application of these statistical concepts. They highlight the need for proper interpretation and presentation of data to ensure clarity and meaningful conclusions. They also suggest that if the data is difficult to interpret, it can be converted into a two-by-two table for easier analysis. The video concludes by encouraging viewers to rely on the two-by-two table and clinically relevant outcomes when evaluating study results.

Asset Subtitle

Presented by Michael J. Glantz, MD

Keywords

statistical concepts

clinical trials

variables

central tendency

dispersion

measures of association

precision