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Total Results: 426 records

Showing results for "design sample size".

  1. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary26/tobacco-use-in-children-and-adolescents-primary-care-interventions-2013
    December 11, 2012 - qualitatively explored patterns of association between effect size and several intervention and study design … The meta-analysis was adjusted for the cluster randomization of 3 trials 15-17  by dividing the samplesizes in these studies by a design effect based on average cluster size and an estimated intraclass … described in our methods, we qualitatively examined several specific intervention characteristics and study design … All of the studies differed widely in terms of sample size, the types of interventions tested, and primary
  2. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-review11/asymptomatic-bacteriuria-in-adults-screening-2008
    July 15, 2008 - Data Extraction We abstracted information on sample size, entry criteria, demographic characteristics … , comorbid conditions, study design, treatment group allocation, and clinical outcomes of interest. …    No outcomes (n = 32): Study reported only microbiologic or ecologic outcomes    Study design …       Benefits: not an RCT, meta-analysis, or systematic review       Harms: did not meet study design … Author, Year (Reference) Study Design
  3. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/perinatal-depression-preventive-interventions
    February 12, 2019 - Data Extraction and Quality Assessment Two reviewers applied USPSTF design-specific criteria 14 to … Design: Study did not use an included design. Language: Publication not in  English.
  4. www.uspreventiveservicestaskforce.org/home/getfilebytoken/-KMSTWRT9xbm7spaqDq_GE
    February 12, 2019 - Data Extraction and Quality Assessment Two reviewers applied USPSTF design-specific criteria14 to assess … Comparative effectiveness 11 Insufficient follow-up 83 Outcomes 28 Population 23 Intervention 9 Study design … Comparative effectiveness 11 Insufficient follow-up 19 Outcomes 28 Population 22 Intervention 12 Study designDesign: Study did not use an included design. Language: Publication not in English. … Concept and design: O’Connor, Senger, Coppola, Gaynes.
  5. www.uspreventiveservicestaskforce.org/home/getfilebytoken/5V8t2G6kCTJU6fLBHnfTuR
    January 01, 2013 - sizes. … Mode of Delivery Fourteen observational studies reported in 16 publica- tions (sample sizes of 56 to … Sample sizes ranged from fewer than 50 (29, 31, 32) to more than 1000 (15). … sizes. … Author Contributions: Conception and design: R. Chou, J.M. Guise.
  6. www.uspreventiveservicestaskforce.org/home/getfilebytoken/r_MgZHrtyHRn7rZoCPS6MT
    February 01, 2011 - school-aged vision outcomes compared with no screen- ing.22–24 Besides the use of a retrospec- tive design … pediatrics.aappublications.org/ TABLE 5 RCTs and Controlled Observational Studies of Preschool Vision Screening Study (Year); DesignSize, and Proportion With Condition Setting Ottar et al51 (1995) and Donahue et al59 (2002) MTI … Size, and Proportion With Condition Setting VIP Study Group55 (2004) Crowded linear Lea symbols … size ● Administration of reliable screening test ● Random or consecutive selection of patients16
  7. www.uspreventiveservicestaskforce.org/uspstf/about-uspstf/methods-and-processes/procedure-manual/procedure-manual-section-6-methods-arriving-recommendation
    July 06, 2017 - Do the studies have the appropriate research design to answer the key question(s)? 2. … of the studies that are judged as fair or good quality, using criteria based on each type of study design … question may be deemed "convincing" when there are sufficient well-conducted studies of appropriate design … At times severe harms occur at a relatively infrequent rate compared to benefits and require larger samplesizes than those studied in RCTs designed to evaluate benefits.
  8. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-review48/hepatitis-b-in-pregnant-women-screening-2009
    June 15, 2009 - Data Extraction One reviewer abstracted information on study design, sample size, entry criteria,
  9. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary24/drug-use-illicit-primary-care-interventions-for-children-and-adolescents-march-2014
    March 11, 2014 - studies in narrative form and summary tables detailing the important features of the study populations, design … Study, Year (Reference) Quality Rating Country Intervention Setting Study Design
  10. www.uspreventiveservicestaskforce.org/home/getfilebytoken/Z6Rfj-qwfoMbuLp-hBmhzS
    May 01, 2021 - (total sample size) by test or outcome Summary of findings by test or outcome Consistency and precision … (total sample size) by test or outcome Summary of findings by test or outcome Consistency and precision … (total sample size) by test or outcome Summary of findings by test or outcome Consistency and precision … (total sample size) by test or outcome Summary of findings by test or outcome Consistency and precision … Concept and design: Feltner, Wallace, Hicks, Voisin, Jonas.
  11. www.uspreventiveservicestaskforce.org/home/getfilebytoken/myqvgr-dsW7k3eQbwj4aR4
    February 01, 2013 - qualitatively explored patterns of association between effect size and several intervention and study design … The meta- analysis was adjusted for the cluster randomization of 3 trials (15–17) by dividing the samplesizes in these studies by a design effect based on average cluster size and an estimated intraclass … All of the studies differed widely in terms of sample size, types of interventions tested, and primary … Author Contributions: Conception and design: C.D. Patnode, E. O’Connor, E.P. Whitlock, J. Hollis.
  12. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-review49/hepatitis-c-screening-2013
    November 15, 2012 - We also included large studies (sample size >1000 participants) reporting harms associated with diagnostic … Data Extraction and Quality Rating One investigator abstracted details about the study design, patient … Sample Size, n Setting, Population Characteristics HCV Screening Strategies Quality Gunn … negative psychological and social effects, but results are difficult to interpret because of small samplesizes and methodologic shortcomings, including no unscreened comparison group.
  13. www.uspreventiveservicestaskforce.org/home/getfilebytoken/k-btyK4W2-v9KnemTK8WDx
    September 14, 2021 - Data Abstraction and Quality Rating A single investigator abstracted details about study design, patient … Sample sizes ranged from 1700 to 63 338 (total n = 70 174). … the US,23,29,34,37 UK,19,30,31,35,38 or Canada and were fair quality (eTable 5 in the Supplement).34 Samplesizes ranged from 133 to 3974 (total n = 16 204).19,23,29-31,34,35,37,38 Studies enrolled exclusively … Concept and design: Cantor, Dana, Nelson, Winthrop, Chou.
  14. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/obesity-in-adults-screening-and-counseling-2003
    December 15, 2003 - Two reviewers independently abstracted data on study design, population, sample size, treatment, outcomes … When sample size was not reported with variance, 32 , 33 baseline sample was used. … Agency staff and USPSTF members participated in the initial study design and reviewed interim analyses … size concerns limit conclusions. … In addition, aggregate values of their findings do not reflect variations in RCT sample size, length
  15. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary21/depression-in-children-and-adolescents-screening-2009
    March 15, 2009 - evidence from RCTs preferentially, then well-designed non-RCTs and high-quality observational studies with samplesizes of at least 1000. …         High-quality observational study with a sample size of <1000 Return to Table of Contents … included in study The test and gold standard are measured independently (blind) of each other Samplesize The test and gold standard are applied as close together in time as possible Administration
  16. www.uspreventiveservicestaskforce.org/home/getfilebytoken/s5tZxonEjD3qZsoj-7Bq5P
    May 01, 2014 - studies in narrative form and summary tables detailing the important features of the study populations, design … Author Contributions: Conception and design: C.D. Patnode, E. O’Connor, E.P. Whitlock. … : 45 Comparative effectiveness: 10 Outcomes: 21 Population: 26 Condition: 4 Intervention: 5 Study design … : 45 Comparative effectiveness: 10 Outcomes: 19 Population: 26 Condition: 4 Intervention: 5 Study design … : 45 Comparative effectiveness: 10 Outcomes: 26 Population: 26 Condition: 4 Intervention: 5 Study design
  17. www.uspreventiveservicestaskforce.org/home/getfilebytoken/Lm94jySKCYrG3zsUP8Jd8E
    February 16, 2016 - Evidence is insufficient because of the limited number or size of studies. important flaws in study design … , assessment of treat- ment evidence was complicated by the variation among studies in intervention design … Study concept and design: Siu, Bibbins-Domingo, Grossman, Ebell, García, Kemper, Krist, Phillips.
  18. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary11/asymptomatic-bacteriuria-in-adults-screening-2008
    July 15, 2008 - Data Extraction We abstracted information on sample size, entry criteria, demographic characteristics … , comorbid conditions, study design, treatment group allocation, and clinical outcomes of interest. … Author, Year (Reference) Study Design
  19. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/child-maltreatment-counseling-2004
    March 09, 2004 - From each included study, we abstracted the study design, number of participants, setting, length and … Sample size? Administration of reliable screening test? … although not best, standard; interprets reference standard independent of screening test; moderate samplesize (50 to 100 subjects) and a "medium" spectrum of patients. … size of very narrow selected spectrum of patients.
  20. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/genital-herpes-screening-november-2016
    December 20, 2016 - Source Analytic SampleSize Eligible Serologic Tests Population Recruitment Setting; Country Age, Mean (SD), y Sex … sizes were small, and overall attrition was >20% in both trials. … Western blot Incidence was self-reported; outcomes were measured over a relatively short duration; samplesizes were small, and overall attrition was >20% in both trials.

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