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Constructing Effective Evidence Tables for Clinical Inquiries

Learn how to create informative evidence tables to summarize and compare studies for clearer analysis in clinical research projects. Find customizable templates and examples to enhance your work.

natalie-jacobson
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Constructing Effective Evidence Tables for Clinical Inquiries

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  1. Clinical Inquiries Evidence Tables

  2. 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

  3. 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

  4. Examples of Evidence Tables • NICI, Type 1 DM • OHSU, Drug Effectiveness Review Project • AHRQ EPC, Episiotomy Evidence Report • CRD Report, Chronic Fatigue Interventions

  5. NICE-Type 1 DM

  6. OHSU: Drug Evaluation Review Project, 1

  7. OHSU: Drug Evaluation Review Project, 2

  8. OHSU: Drug Evaluation Review Project, 3

  9. AHRQ EPC Episiotomy Report http://www.ahrq.gov/downloads/pub/evidence/pdf/episiotomy/episob.pdf

  10. Interventions for Chronic Fatigue Syndrome Bagnall, et al. NHS Centre for Reviews and Dissemination, CRD Report 22, 2002.

  11. 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

  12. Constructing an Evidence Table • Columns • Populations • Interventions • Outcomes • Rows • Studies • Sub-groups of populations • Categories of interventions

  13. Treatment or Prevention

  14. Prognosis or Etiology

  15. Diagnosis and Screening

  16. 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

  17. Example 1 Warnken, Kelsberg, Bryand. JFP, January 2005

  18. Example 2 Brown and Anna. JFP, January 2005

  19. Example 3 Werner. Kelsberg, Weismantel. JFP, February 2004.

  20. Questions? Contact the CI Project Manager Lindsay Barnes Lindsay@fpin.org (573) 256-2066

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