Evidence tables
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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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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


Nice type 1 dm

NICE-Type 1 DM


Ohsu drug evaluation review project 1

OHSU: Drug Evaluation Review Project, 1


Ohsu drug evaluation review project 2

OHSU: Drug Evaluation Review Project, 2


Ohsu drug evaluation review project 3

OHSU: Drug Evaluation Review Project, 3


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


Treatment or prevention

Treatment or Prevention


Prognosis or etiology

Prognosis or Etiology


Diagnosis and screening

Diagnosis and Screening


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

[email protected]

(573) 256-2066


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