Module 1 Highlighted Slides Flashcards
(45 cards)
Key Questions in an Article Appraisal
- Valid study?
- What are the results?
- Will results help my patients?
CASP Elements when Appraising an Article
Rigor
Credibility
Relevance
CASP Rigor
methodological rigor and appropriateness of methods
CASP Credibility
presentation and meaningfulness of results
CASP Relevance
relevance of study and usefulness of applicability
What is the research question for Etiology?
What cause illness?
What is the research question for diagnosis?
What does the test result mean in this patient?
What is the research question for prognosis?
What is likely to happen?
What is the research question for harm?
If having been exposed to this substance likely to do harm and if so, what?
What is the research question for effectiveness?
If this treatment likely to help patients with this illness?
What is the research question for qualitative questions?
What outcomes are most important to the patients with this condition?`
Study design for this question:
Etiology and Risk Factors
cohort and case-cntrl studies
Study design for this question:
Incidence and prevalance
cohort or cross-sectional
Study design for this question:
Harm
cohort and case-control studies
Study design for this question:
Prognosis
cohort/survival studies
Study design for this question:
Value for money
economic valuation
-cost-effectiveness or cost-benefit study
Study design for this question:
Effectiveness
randomized control trial
Study design for this question:
Diagnosis
Diagnostic test study or RCT
Study design for this question:
Patient experience
qualitative study (questionnaires, focus group, interview)
Sources for strength of evidence
-sampling
-research methods: hierarchy for strength of evidence and oxford center for evidence based medicine hierarchy
Oxford Center for Evidence Based Medicine 5 Levels of Evidence
- RCTs and prospective studies
- Cohort Studies
- Case-control studies
- Case series, poorly designed cohort and case control studies
- anecdotal evidence, animal research, bench research, unpublished clinical observations
Research Evidence Pyramid Levels (top to bottom)
Systematic reviews
Randomized clinical trials
Cohort studies
Case-control studies
Case series
Case studies
Narrative reviews, expert opinion, textbook
Prospective Study Design
gold standard
followed over time
Retrospective Study Design
patients already have impairment of interest