Data ExtractionInteractive Quiz
Prepared for:
The Agency for Healthcare Research and Quality (AHRQ)
Training Modules for Systematic Reviews Methods Guide
www.ahrq.gov
Evidence tables should be set at the beginning of a project and not changed, regardless of any unanticipated information or results found in the literature.
A.True
B.False
Evidence Tables: Design
Because of the typically large numbers of included studies, evidence tables need be reviewed only once for accuracy.
A.True
B.False
Evidence Tables: Review
The fields in an evidence table change from project to project.
A.True
B.False
Evidence Tables: Fields (I)
Which of the following could be possible fields for inclusion on an evidence table?
A.Country
B.Setting
C.Outcome
D.Study design
E.All of the above
Evidence Tables: Fields (II)
What should be done when two reviewers record different information in a certain evidence table field?
A.Calculate the average of the data recorded by both reviewers
B.Use the information that most closely conforms to the format of the table
C.Adjudicate by using a third reviewer
D.Exclude the study
Evidence Tables: Discordant Information
Evidence tables are an integral part of any review.
Proper table construction and thorough data abstraction are crucial for accurately conveying the results of a review.
Discrepancies in data between two reviewers should be adjudicated by a third reviewer.
Summary
This quiz was prepared by Joseph Lau, M.D., and Thomas Trikalinos, M.D., Ph.D., members of the Tufts Medical Center Evidence-based Practice Center, and Melissa L. McPheeters, Ph.D., M.P.H., and Jeff Seroogy, B.S., members of the Vanderbilt University Evidence-based Practice Center.
The information in this module is currently not included in Version 1.0 of the Methods Guide for Comparative Effectiveness Reviews (available at: http://www.effective healthcare.ahrq.gov/repFiles/2007_10DraftMethodsGuide.pdf).
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