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Evidence Tables

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

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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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