Results

Total Results: 962 records

Showing results for "design sample size".

  1. effectivehealthcare.ahrq.gov/sites/default/files/related_files/renal-update_executive.pdf
    August 01, 2016 - Review Methods We included comparative studies of any design of PTRAS, medical therapy, and/or surgical … Clinical heterogeneity in terms of study design, particularly heterogeneity related to patient eligibility
  2. effectivehealthcare.ahrq.gov/sites/default/files/related_files/hepatitis-c_executive.pdf
    November 01, 2012 - They have a serious or fatal flaw in design, analysis, or reporting; large amounts of missing information … The results of these studies are judged to be at least as likely to reflect flaws in the study design … Such trials would be difficult to design and carry out due to the long time required for complications … outcomes in randomized trials or cohort studies is a challenge due to the long lead time and large samplesizes necessary to adequately assess these outcomes.
  3. effectivehealthcare.ahrq.gov/sites/default/files/lessons-transcript.pdf
    May 29, 2025 - dialog and listening, how much the partners involved in different aspects of the research, not just the design … and the research design or the questions but in the data collection, in the data analysis which of … There are many ways that you can design a community but CBPR has traditionally done that outside a treatment … researchers that don’t feel like people that are not researchers can participate for example in protocol design … we create and link that in positive ways to the university evidence that comes from other research design
  4. effectivehealthcare.ahrq.gov/sites/default/files/related_files/rapid-evidence-heart-disease.pdf
    October 01, 2022 - Study Parameter Inclusion Criteria Exclusion Criteria Setting Any (US or outside US) None Study Design … was extracted into Word tables and included information about author, year, country, setting, study design … , study dates, sample size, follow-up duration, patient characteristics (age, gender, race, co-morbidities … It is unclear to what extent these disparate results may be influenced by the RCT sample size or flaws … OMT Reference: Perera et al. 2022 (REVIVED)29 Study Design: Multicenter, randomized, open-label
  5. effectivehealthcare.ahrq.gov/sites/default/files/related_files/measuring-blood-pressure-surveillance-160412.pdf
    May 29, 2025 - We"included"systematic"reviews"and"meta'analyses,"whether"or"not"they" were"included"(as"a"study"design … B'2" o" No"minimum"sample"size."" Excluded" o" Retrospective"longitudinal"studies. … Adherence$(Key$Question$5)$ Included:" o" Prospective"or"retrospective"longitudinal"studies" o" Sample"size … `$DESIGN,$SETTING,$AND$PATIENTS:$A$cluster$randomized$clinical$ trial$of$450$adults$with$uncontrolled … `$DESIGN:$Multicentre$randomised$controlled$trial.
  6. effectivehealthcare.ahrq.gov/sites/default/files/related_files/medication-adherence-interventions_executive.pdf
    September 01, 2012 - Among the observational studies, 2 used a before-after design, 1 used an interrupted time series design … with a concurrent control group, and 1 used a retrospective quasi-experimental design. … The paucity of this second type of study design may reflect the state of the field. … The low number of studies and limited sample size of included studies curtailed our confidence in the … The Take Control of Your Blood pressure (TCYB) study: study design and methodology.
  7. S58 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/s58.pdf
    October 01, 2007 - ORIGINAL ARTICLE Studying Prescription Drug Use and Outcomes With Medicaid Claims Data Strengths, Limitations, and Strategies Stephen Crystal, PhD,*† Ayse Akincigil, PhD,*† Scott Bilder, MS,* and James T. Walkup, PhD*‡ Abstract: Medicaid claims and eligibility data, particularly when linked to other sources of pati…
  8. effectivehealthcare.ahrq.gov/sites/default/files/related_files/case-management_disposition-comments.pdf
    January 01, 2013 - We agreed that study design improvements in future research should yield stronger evidence for policymaking … and outcomes represented in the studies of case management, and the variations in reporting study design
  9. #05 DEPRESSION (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/depression_hi_impact.pdf
    October 01, 2014 - #05 DEPRESSION AHRQ Healthcare Horizon Scanning System – Potential High Impact Interventions Report Priority Area 05: Depression and Other Mental Health Disorders Potential High Impact Interventions Report Prepared for: Agency for Healthcare Research and Quality U.S. Department of Health and Huma…
  10. effectivehealthcare.ahrq.gov/sites/default/files/related_files/antipsychotics-children-surveillance-150120.pdf
    October 01, 2014 - Primary research published in 1987 or later (coincides with DSM-II-R), published in English Study design
  11. effectivehealthcare.ahrq.gov/sites/default/files/wysiwyg/ems-911-workforce-topic-development-brief.pdf
    February 01, 2022 - Setting Prehospital Public Safety Answering Point (PSAP)/ Emergency Communication Center (ECC) Study Design … medical service; PICOTS = population, intervention, comparison, outcomes, timing, setting and study design
  12. effectivehealthcare.ahrq.gov/sites/default/files/pdf/medicare-medication-use_research.pdf
    April 01, 2014 - Medication use among Medicare beneficiaries with medical and psychiatric conditions, 2009-2011 Medication Use in Medicare Data Points #19 Within the Medicare population, the major- ity of beneficiaries who have a psychiatric diagnosis also have one or more medical diagnoses. Use of multiple medications is common …
  13. effectivehealthcare.ahrq.gov/sites/default/files/related_files/wireless-motility-capsule_disposition-comments.pdf
    May 20, 2013 - advantages We added this statement to the Future Research Needs section of the Discussion, "In study design … However because of the study design this raises questions about causality, whether or not the wireless … Ideally, the reference standard in this design of study is the existing test and the study population … added text in the Future Research Needs section of the discussion with specific details about study design
  14. effectivehealthcare.ahrq.gov/sites/default/files/related_files/vaccine-safety_executive.pdf
    January 01, 2020 - The most common reason for exclusion was lack of suitable study design (1,549): individual case reports … Controlled trials often have insufficient sample size to identify very rare AEs and do not have extended … This design has been used to study purpura, febrile seizures, intussusception, and autism in children … Research design II: cohort, cross sectional, and case-control studies.
  15. effectivehealthcare.ahrq.gov/sites/default/files/related_files/high-cholestorol-medicines-update_executive.pdf
    February 01, 2014 - Type of Study Included studies with any sample size that met all other criteria.
  16. effectivehealthcare.ahrq.gov/sites/default/files/related_files/main-apps-surv-rept-1-acute-pain.pdf
    May 01, 2022 - The decision to update meta-analyses from the original report was based on the number and sample sizes … Exclusion reason: Ineligible study design 73. Jacobus D, Mehr S, Ziccardi V. … Exclusion reason: Ineligible study design 75. Javaid S, Shafi M, Lodhi Y. … Exclusion reason: Ineligible study design 81. Kim MG, Kim MY. … Exclusion reason: Ineligible study design 155. Tobias AF, Moura EC, Honda CA, et al.
  17. effectivehealthcare.ahrq.gov/sites/default/files/pdf/heart-failure-rehospitalization_research.pdf
    November 01, 2007 - Study Design We conducted a retrospective cohort study with outcomes up to 12 months following discharge … Strengths and Limitations Our study had several strengths including the relatively large sample size … However, while an even larger sample size with additional geographic and practice pattern diversity … Significance Objectives of the Study Methods Settings Human Subjects Review Participants Study Design
  18. effectivehealthcare.ahrq.gov/sites/default/files/pdf/safety-vaccines-protocol.pdf
    January 30, 2020 - are described in a PICOTSSO (population, intervention, comparator, outcomes, timing, setting, study design … publications reporting on the study, type of publication (journal manuscript, trial record), study design … To make applicability information useful, the review will address how specific aspects of study design … Potential of the test-negative design for measuring influenza vaccine effectiveness: a systematic review … Therefore, study 24 questions, design, and methodological approaches
  19. effectivehealthcare.ahrq.gov/sites/default/files/related_files/vte-prophyalaxis_executive.pdf
    May 01, 2013 - for this Key Question, which received a high risk of bias rating due to methodologic limitations in design … and reporting, sample size, and the absence of a control group. … There was significant heterogeneity among the included studies in design and eligibility, and inconsistency
  20. effectivehealthcare.ahrq.gov/sites/default/files/related_files/main-apps-surv-report-3-acute-pain.pdf
    June 01, 2022 - 1 and 2, the decision to update meta-analyses from the original report was based on the number and samplesizes of new studies eligible for meta-analysis (meta-analysis performed if new evidence was large … Exclusion reason: Ineligible study design 103. Jacobus D, Mehr S, Ziccardi V. … Exclusion reason: Ineligible study design 105. Javaid S, Shafi M, Lodhi Y. … Exclusion reason: Ineligible study design 115. Kim MG, Kim MY.

Search the AHRQ Archive

Information and reports more than 5 years old may be found in the AHRQ Archive site.

Search Archive

Search Within A Specific AHRQ Site

You selected to view results for the following site: