deborah s. cummins, phd senior director, research
DESCRIPTION
TRANSCRIPT
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Deborah S. Cummins, PhDSenior Director, Research & Evidence AnalysisResearch & Strategic Business DevelopmentAmerican Dietetic Association
November 2009
ADA Evidence Analysis Process
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EAL® Home Page
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Online Resourcewith the bestavailable researchon importantdietetics topics in apractitioner-friendlyformat
www.adaevidencelibrary.com
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“Evidence-Based Dietetics Practice”
is the use of systematically reviewed scientific evidence in making food and nutrition practice decisions
by integrating best available evidence with professional expertise and client values to improve outcomes.”
Definition developed by ADA Evidence-based Practice Committee with input from Research Committee, Quality Management Committee, and Scope of Dietetics Practice Task Force. Approved by ADA House of Delegates Leadership Team
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Why Evidence-based?
Improve quality of healthcare
Decrease wide variations in practice
Reduce the gap between what is known from research…and what happens in real life
Take advantage of biomedical knowledge
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Objectives
Understand the Steps in the American Dietetic Association’s Evidence Analysis Process
Identify topics and features in the ADA’s Evidence Analysis Library©
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Steps in Evidence Analysis Process
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If appropriate, next phase:
•Write Position Paper
•Develop Guideline and Toolkit
Steps in EA ProcessSelect Topic
Appoint Expert Work Group
Define Questions
Determine Inclusion/Exclusion Criteria
Conduct Literature Review for Each Question
Analyze Articles / Critical Appraisal
Complete Overview Table and Evidence Summary
Develop Conclusion Statement
Reach Consensus on Grade
Publish to Online EAL
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Steps in EA Process
Step 1:
Formulate the Question
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Structure of EBP Committee
Joint HOD and BOD appointed committee
Actively practicing in acute care, long-term care, ambulatory care, and public health
Trained as evidence analysts
Representatives from QM, Research, NCP/SL, DPBRN Committees and BOD
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Evidence-Based Practice Committee
2009-2010
Chair: Sue Kent, MS, RD, LD
Vice Chair: Tamie M. Frable-Newman, MS, RD, LDN
Members:Linda Arpino, MA, RD, CDNChristina Biesemeier, MS, RD, LDN, FADAClaudia Conkin, MS, RD, LDErica Gradwell, MS, RDWahida Karmally, DrPH, RD, CDE, CLSPatti S. Landers, PhD, RD, LDAinsley Malone, MS, RD, LD, CNSD
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EBP Committee reports jointly to House of Delegates and Board of Directors
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Evidence Based Practice Committee
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New LIBRARY Projects in 2009-10 (in RED)
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Evidence Analysis Work Group
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Steps in EA Process
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Step 2:
Gather and Classify the Research
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Example: Question from AWM Work Group
How effective is the consumption of low glycemic index foods for reducing energy intake and promoting weight loss?
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Search Plan & Resultsfor each question
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Date of SearchInclusion Criteria:-Age-Setting (outpatient)-Sample Size-Acceptable dropout rate-Year Range-English LanguageDatabases SearchedSearch TermsList of Articles
ReportsInclusion& ExclusionCriteria
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Steps in EA Process
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Step 3:
Critically Appraise Each Article
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Literature Review
Q. Who creates the sort list?
A. Project Lead Analyst and ADA Librarian
Q. Who approves the sort list?
A. Expert Work Group
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Project Managers/Lead Analysts
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Evidence Analysts
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Search Plan & ResultsIncluded articles and Excluded articles (with reason)
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List Reason for exclusionFor each article notIncluded in the Analysis;e.g. Sample size Too small
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The Worksheet
A worksheet and quality criteria checklist is created for each article
• Responsibility of analyst• Reviewed by lead analyst• Approved by workgroup
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Example: Worksheet
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•Citation / PubMed ID•Date•Study Design•Class•Rating (+/0/-)•Research Purpose•Inclusion Criteria•Exclusion Criteria•Description of Study Protocol •Data Collection Summary•Description of Actual Data Sample •Summary of Results •Author Conclusion•Reviewer Comments
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Example: Quality Criteria Checklist
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Questions related to relevance and validity
Determines if article is rated as:
Positive QualityNegative QualityNeutral Quality
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Steps in EA Process
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Step 4:
Summarize the Evidence in an Overview Table and Evidence Summary
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Overview Table
List :
•Citation•Study Design•Quality Rating•Sample Size•Interventions and Outcomes
in table format to enable user to compare studies side by side.
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Narrative Evidence Summary
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Example: Summary of evidence for Low Glycemic Diets question
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Evidence Summary - Bibliography
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Citations linked to worksheets at the bottom of the
Evidence Summary
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Steps in EA Process
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Step 5:
Develop Conclusion Statement and Grade the Strength of the Supporting Evidence
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Example: Conclusion Statement
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GradeEight randomized controlled trialsreport no significant differencesin energy intake or body weightafter the consumption of alow-glycemic index diet. Grade I
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Explanation of Grades
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% of Grade I
questions on EAL
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PUBLISH ON EAL®
Available free to All ADA Members Question Conclusion GradeEvidence SummaryOverview TableWorksheets and Quality Checklists for each articleSearch Plan & Results
Individual EAL Subscriptions are available from www.adaevidencelibrary.com Store
For Institutional EAL subscriptions, contact [email protected]
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Abstracted Articles/Worksheets
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How much content is on EAL®?
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EAL® Usage
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EAL Launched Sept 2004
Overall Total Page
Views 9/2004 – 11/2009:
7 Million +7,091,411
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EAL Usage Worldwide
Users from 191 different countries
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Guideline Development
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Steps in the EA Process
Annual review of Evidence Analysis Guideline Projects
ReviewRe-run searches for each questionDetermine if revision is neededDocument date of review
Revise“Revise” using EA ProcessUpdate rating of conclusion statements/recommendations as needed
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Summary
ADA’s Evidence Analysis Library can be found at www.adaevidencelibrary.com
Questions contact: [email protected]
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ResourcesCheck Resources on EAL for additional PowerPoint presentations.
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