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Clinical Inquiries. Evidence Tables. What is an Evidence Table?. A tabular description of the study, including: Citation Population and Setting Interventions, Exposures, Tests Outcomes measures Results Estimates of effect and Significance level Study quality. Why Use an Evidence Table?.

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Presentation Transcript
Evidence tables

Clinical Inquiries

Evidence Tables


What is an evidence table
What is an Evidence Table?

  • A tabular description of the study, including:

    • Citation

    • Population and Setting

    • Interventions, Exposures, Tests

    • Outcomes measures

    • Results

    • Estimates of effect and Significance level

    • Study quality


Why use an evidence table
Why Use an Evidence Table?

  • They make your work easier

  • A manageable summary of studies

  • To compare studies by characteristics

  • Prevent errors of interpretation

  • Increase clarity of analysis

  • Plan a statistical analysis


Examples of evidence tables
Examples of Evidence Tables

  • NICI, Type 1 DM

  • OHSU, Drug Effectiveness Review Project

  • AHRQ EPC, Episiotomy Evidence Report

  • CRD Report, Chronic Fatigue Interventions






Ahrq epc episiotomy report
AHRQ EPC Episiotomy Report

http://www.ahrq.gov/downloads/pub/evidence/pdf/episiotomy/episob.pdf


Interventions for chronic fatigue syndrome
Interventions for Chronic Fatigue Syndrome

Bagnall, et al. NHS Centre for Reviews and Dissemination, CRD Report 22, 2002.


Customizable evidence tables for cis
Customizable Evidence Tables for CIs

  • Three customizable evidence tables:

    • 1. Treatment or Prevention

    • 2. Prognosis or Etiology

    • 3. Diagnosis or Screening

  • Categories on tables are for general guidance, change as needed for your CI question


Constructing an evidence table
Constructing an Evidence Table

  • Columns

    • Populations

    • Interventions

    • Outcomes

  • Rows

    • Studies

    • Sub-groups of populations

    • Categories of interventions





Tables for cis
Tables for CIs

  • Distilled evidence tables can be used in the CI

  • Tables can save room and give clear information to the reader

  • 3 Examples:

    • Effectiveness of diet and exercise to prevent DM

    • Signs and symptoms of pertussis

    • Harms and benefits of ASA for health adults


Example 1
Example 1

Warnken, Kelsberg, Bryand. JFP, January 2005


Example 2
Example 2

Brown and Anna. JFP, January 2005


Example 3
Example 3

Werner. Kelsberg, Weismantel. JFP, February 2004.


Questions
Questions?

Contact the CI Project Manager

Lindsay Barnes

Lindsay@fpin.org

(573) 256-2066