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Showing results for "design sample size".

  1. effectivehealthcare.ahrq.gov/sites/default/files/pdf/prostatic-hyperplasia-medications_research-protocol.pdf
    April 21, 2015 - Study Design • Efficacy/comparative effectiveness: RCTs Harms: RCTs and large observational studies … (medication for treatment of LUTS/BPH, sample size at least 100; study duration at least 6 months; … sponsorship, setting, subject inclusion and exclusion criteria, intervention and control characteristics, samplesize, follow-up duration, participant baseline age, race, and AUA/IPSS scores, and results of primary … Therefore study questions, design, and methodological approaches do not necessarily represent the views
  2. effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/research-gap-primary-care-summary-table.pdf
    March 01, 2022 - • Study design. … general, longer followup periods, study expansion to multiple sites, and the recruitment of larger samplesizes can help address evidence gaps … Study Design • Trials with sufficient sample size designed to evaluate differential effectiveness … size to evaluate the differential impact of conditions and factors.
  3. effectivehealthcare.ahrq.gov/sites/default/files/related_files/disposition-of-comments-cer-192-anxiety-in-children.pdf
    August 31, 2017 - that determined if the methods of studies were strong enough to remain in the evidence pool (e.g., samplesizes per cell [e.g., Mancini, 1999], inclusion/exclusion criteria, operationalization and control … NIMH funded or small studies), we believe that the issue is not about who funded the study or the samplesize of the study.
  4. effectivehealthcare.ahrq.gov/sites/default/files/related_files/worker-safety-wellness-protocol.pdf
    October 26, 2024 - Each longitudinal study will be described in summary and evidence tables presenting study design features … 2: We will summarize the associations evaluated in the cross-sectional studies with the largest samplesizes. … We refrain from picking a sample size threshold to define ‘largest’ because at best such a threshold … Therefore, study questions, design, and methodological approaches do not necessarily represent the views
  5. effectivehealthcare.ahrq.gov/sites/default/files/related_files/ems-blood-transfusion-protocol.pdf
    September 24, 2024 - The key dilemma for EMS system design is determining what options are feasible and sustainable for individual … Consideration should be given to the formulation of precise scientific questions, optimal study design … The criteria used will depend on the study design as recommended in the chapter, “Assessing the Risk … the width of confidence intervals relative to a clinically important effect estimate, sufficiency of samplesize, and number of events.
  6. effectivehealthcare.ahrq.gov/sites/default/files/related_files/vte-prophyalaxis_disposition-comments.pdf
    May 29, 2013 - size in the thousands, a methodologically-appropriate RCT is not possible and will never be carried … Therefore, as a reader, I would like to have the authors design a theoretical study. … For example, based on their review of the literature, what sample size would be required to perform … Details regarding the sample size of such studies are context specific and beyond the scope of this … Our updated future research section provides guidance on the design of such studies.
  7. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-275-people-with-disabilities-disposition-comments.pdf
    September 16, 2024 - Public Reviewer #1 University of Connecticut Executive summary Appropriate design and communication … As described in the Methods section (“Systematic Review Procedures”), we considered various study design … Public Reviewer #1 University of Connecticut Methods Appropriate design for the purpose of this … Pg 13 line 4 – consider reporting sample size of patients with Parkinsons as well as sample size of … The study did not report the sample sizes of patients and caregivers separately.
  8. effectivehealthcare.ahrq.gov/sites/default/files/pdf/autism-update_research-protocol.pdf
    September 20, 2013 - publication, study location (e.g., country, city, state) and time period, population description, samplesize, and study type (e.g., randomized controlled trial, prospective observational study, etc.). … will use established concepts of the quantity of evidence (e.g., numbers of studies, aggregate ending-samplesizes), the quality of evidence (from the quality ratings on individual articles), and the coherence … Therefore study questions, design, and/or methodological approaches do not necessarily represent the
  9. effectivehealthcare.ahrq.gov/sites/default/files/related_files/gastric-cancers-protocol.pdf
    January 01, 2024 - study is multinational, at least one study center is in a country rated very high) N/A Study Design … We will not apply different initial SOE ratings based on study design, as ROBINS-I was designed so an … the width of confidence intervals relative to a clinically important effect estimate, sufficiency of samplesize, and number of events. … Therefore, study questions, design, and methodological approaches do not necessarily represent the
  10. effectivehealthcare.ahrq.gov/sites/default/files/related_files/smoking-pregnancy-infants_executive.pdf
    February 01, 2014 - The team established this minimum sample size to balance the need for smaller studies of specialized … period Database inception to present Publication languages English only Admissible evidence (study design … Methodologic and study design considerations for future research include— • Clear characterization … • Adequate sample sizes with long-term followup. … Larger sample sizes are needed to assess comprehensively infant and longer term child outcomes as well
  11. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cad-pci-bypass_surveillance.pdf
    May 01, 2013 - (((clinical trial* or clinical trials or clin*) adj25 trial*) or placebo* or random* or "research design … Evidence Table Author, year Study design Comparison Sample size Results Serruys, 200912 (SYNTAX
  12. effectivehealthcare.ahrq.gov/sites/default/files/related_files/gastric-cancers-protocol-amended.pdf
    February 07, 2025 - Index (if study is multinational, at least one study center is in a country rated very high) Study Design … We will not apply different initial SOE ratings based on study design, as ROBINS-I was designed so an … the width of confidence intervals relative to a clinically important effect estimate, sufficiency of samplesize, and number of events. … Therefore, study questions, design, and methodological approaches do not necessarily represent the
  13. effectivehealthcare.ahrq.gov/sites/default/files/pdf/rapid-reviews-end-user_white-paper.pdf
    April 01, 2016 - Therefore, in the end, study questions, design, methodological approaches, and/or conclusions do not … size. … However, our small sample size means that results may not be representative of all end-users and we … Future Directions Our small sample size meant that we could not make definitive statements in comparing … A possible design is the completion of a systematic review and a rapid review product on the same
  14. effectivehealthcare.ahrq.gov/sites/default/files/pdf/adhd-update_research-protocol.pdf
    August 18, 2016 - comparison of diagnosis in primary care to diagnosis by a specialist • Randomized controlled trials: samplesize ≥20 subjects • Observational studies: sample size ≥20 subjects Editorials, nonsystematic reviews … We will design the data abstraction forms for this project to collect the data required to evaluate … They had serious errors in design, analysis, or reporting; large amounts of missing information; or … Therefore study questions, design, and methodological approaches do not necessarily represent the views
  15. effectivehealthcare.ahrq.gov/sites/default/files/related_files/c-diff-infections_disposition-comments.pdf
    March 01, 2012 - This paper, published in June, meets criteria with a before-after study design and was added to results … criteria for " good quality studies" that identified specific risk factors were "(1) prospective study design … Although the sample size is extremely small, the 1989 NEJM article by McFarland et al found contamination
  16. effectivehealthcare.ahrq.gov/sites/default/files/pdf/phenylketonuria_research-protocol.pdf
    March 29, 2011 - Time period All years Publication languages English only Admissible evidence (study design and … publication, study location (e.g., country, city, state) and time period, population description, samplesize, and study type (e.g., RCT, prospective observational study, etc). … , 2011 EPC Protocol – Version 8 – 12.22.10 evidence (e.g., numbers of studies, aggregate ending samplesizes), the quality of evidence (from the quality ratings on individual articles), and the coherence
  17. effectivehealthcare.ahrq.gov/sites/default/files/pdf/tonsillectomy_research-protocol.pdf
    February 10, 2016 - larger  observational  studies   of  harms  of  tonsillectomy  in  the  literature,  and  the  larger  sample …  size  should  allow  us  to   capture  data  on  rarer  adverse  events.       … established  concepts  of  the  quantity  of  evidence  (e.g.,   numbers  of  studies,  aggregate  ending-­sample …  sizes),  the  quality  of  evidence  (from  the   ROB  ratings  on  individual  articles),  and  the … Therefore  study  questions,  design,  and  methodological  approaches  do  not   necessarily  represent
  18. effectivehealthcare.ahrq.gov/sites/default/files/related_files/coronary-artery-stenting_executive.pdf
    February 01, 2013 - Size and Study Design We did not specify a minimum sample-size threshold or a minimum duration of … We considered evidence to be sparse if only one study of a small sample size addressed the analysis … Individual studies evaluated in formulating the composite rating differed in their design, reporting … size). … considerably since then, not only in terms of high-pressure balloon inflation, but also in stent design
  19. effectivehealthcare.ahrq.gov/sites/default/files/pdf/stakeholders-engagement-others_white-paper.pdf
    September 01, 2013 - The design of a successful virtual platform requires technical expertise, patient-user involvement, … • More control of design. … Disadvantages of joining a pre-existing PPRN: • Less autonomy/control of design. … Some PPRNs offer a standardized design and data collection template, and may not allow for significant … On the Design of Compliance Governance Dashboards for Effective Compliance and Audit Management.
  20. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-231-dementia-care-interventions-disposition-comments.pdf
    July 31, 2020 - Peer (TEP) Reviewer #5 Methods Page 24, line 53, Table 2.1, Study Design – What does the asterisk … This may be the reason for smaller sample sizes and limited generalization of findings. … The description of the methods section notes that pilot studies and small sample size studies were … key study factors within each study were considered when making comparisons across studies, such as samplesize, effect size, program/intervention dosage, sample characteristics, study design, and measurement

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