What does the vertical line represent in a graphic of a systematic review?
A) An odds ratio of 1
B) The 95% CI
C) The findings from an individual study
D) The amount of information in an individual study

Question

Quizplus · Accepted Answer

Correct A: The vertical line is the line of no effect (odds ratio = 1)
Incorrect B: The 95% CI is represented by the width of the horizontal line.
Incorrect C: The findings from each study are represented by a blob or square on the horizontal line.
Incorrect D: The amount of information in each study may be represented by the size of the blob or square.

What Does the Vertical Line Represent in a Graphic of a Systematic