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).

Authors