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"epidemiology"

Slides: 1–12 of 18
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Study Size and Power Calculations in Randomized Controlled Trials (1 of 3)

Presentation: Study Size Planning for Observational Comparative Effectiveness Research
Keywords: study size | power calculations | randomized controlled trials
Questions To Consider When Classifying Study Design. Did the study have more than one group or arm? If so, was a control group present? Did investigators have control over allocation and timing of the intervention? Did investigators randomly allocate subjects to interventions? Did investigators concurrently measure intervention and exposure status for intervention and comparison groups? Did investigators concurrently measure outcomes for intervention and comparison groups?
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Apply Predefined Criteria for All Study Types (I)

Presentation: Assessing the Quality of Individual Studies
Keywords: study design
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Health Impact of Head and Neck Cancer in the United States

Presentation: Comparative Effectiveness and Safety of Radiotherapy Treatments for Head and Neck Cancer
Keywords: head and neck cancer | epidemiology
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Classification and Staging of Head and Neck Cancer

Presentation: Comparative Effectiveness and Safety of Radiotherapy Treatments for Head and Neck Cancer
Keywords: classification | epidemiology | histology | staging | Head and neck cancer
This slide includes a table with three columns and four rows. Column 1, row 1: empty; column 2, row 1, early stage (stages I and II), column 3, row 1: locally advanced (stages III and IV); column 1, row 2: representation at diagnosis; column 2, row 2: 40%; column 3, row 2: 60%; column 1, row 3: definition; column 2, row 3: small primary tumor without lymph node involvement; column 3, row 3: large primary tumors, which may invade adjacent structures and/or spread to regional lymph nodes; column 1, row 4: typical treatment plan; column 2, row 4: single modality (surgery or radiation); column 3, row 4: combined modality. The slide includes a reference: Samson DJ, et al. AHRQ Comparative Effectiveness Review No. 20. Available at: http://www.effectivehealthcare.ahrq.gov/index.cfm/search-for-guides-reviews-and-reports/ ?pageaction=displayproduct&productID=447.
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Classification and Staging of Head and Neck Cancer (Continued)

Presentation: Comparative Effectiveness and Safety of Radiotherapy Treatments for Head and Neck Cancer
Keywords: classification | clinical management | epidemiology | staging | treatment | Head and neck cancer
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Selection of Variables To Control Confounding (1 of 3)

Presentation: Covariate Selection for Observational Comparative Effectiveness Research
Keywords: background knowledge | confounding | variable selection
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Background: Epidemiology of Obstructive Sleep Apnea

Presentation: Diagnosis and Treatment of Obstructive Sleep Apnea in Adults
Keywords: symptoms | prevalence | background | epidemiology | public health
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Background: Adverse Clinical Outcomes Associated With Obstructive Sleep Apnea

Presentation: Diagnosis and Treatment of Obstructive Sleep Apnea in Adults
Keywords: background | comorbidity | epidemiology | outcomes | public health impact
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Results of the Systematic Review: Evaluation of Diagnostic Methods (3 of 4)

Presentation: Non-surgical Treatments for Urinary Incontinence in Adult Women: Diagnosis and Comparative Effectiveness
Keywords: urinary incontinence | stress incontinence | urge incontinence | urgency incontinence | mixed incontinence | detrusor overactivity | EPIQ | OAB-V8 | pad test | swab test | diagnosis | urodynamics
Example Filter for Finding Nonrandomized Studies. MEDLINE (Ovid) Search for Observational Studies Using the Scottish Intercollegiate Guidelines Network Observational Study Medline Search Filter. 1. epidemiologic studies/ 2. exp case control studies/ 3. exp Cohort Studies/ 4. case control.tw. 5. (cohort adj (study or studies)).tw. 6. cohort analy$.tw. 7. (follow up adj (study or studies)).tw. 8. (observational adj (study or studies)).tw. 9. longitudinal.tw. 10. retrospective.tw. 11. cross sectional.tw. 12. Cross-Sectional Studies/ 13. 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12.
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Example Filter for Finding Nonrandomized Studies

Presentation: Searching for Relevant Studies
Keywords: Boolean operators | observational studies | search strategies
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Determine the Stage of Knowledge Development

Presentation: Study Objectives and Questions for Observational Comparative Effectiveness Research
Keywords: stages | knowledge development
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Background: Traumatic Brain Injury

Presentation: Traumatic Brain Injury and Depression
Keywords: epidemiology | causes
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