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  1. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/suda-final-protocol.pdf
    October 02, 2018 - Population (all KQs) • Age: Adolescents (12 – 20 years inclusive) o Exclude if > 20 percent of study sample … an Evidence Map structure in which we will gather basic data on each article (e.g., study design, sample … of the interventions and comparators; outcome definitions; effect modifiers; enrolled and analyzed sample … Tables will include descriptions of the study design, sample size, intervention(s), followup duration … evidence per GRADE.29 Based on further evaluation of the evidence base, we may lower the minimum sample
  2. effectivehealthcare-admin.ahrq.gov/products/infertility/research-protocol
    October 01, 2019 - Before they are used, abstraction-form templates will be pilot-tested with a sample of included articles … Infertility treatment in a population-based sample: 2004-2005. … Race-ethnicity and medical services for infertility: stratified reproduction in a population-based sample … Long-term outcomes (maternal and child long-term outcomes, costs): RCTs of any sample size; observational … KQ 6 (all outcomes): RCTs of any sample size; observational studies of ?100 subjects.
  3. effectivehealthcare-admin.ahrq.gov/products/mhs4-active-infection/protocol
    September 01, 2023 - The EPC team will have a randomly selected 10% sample of excluded references checked by a second reviewer … A second team member will check a 10% sample of citations to verify that important studies were not excluded … We will ask a second team member to check a randomly selected 10% sample of the excluded citations at
  4. effectivehealthcare-admin.ahrq.gov/products/abnormal-uterine-bleeding/research-protocol
    December 01, 2020 - article, Matteson and colleagues 18 examined the practice patterns and attitudes from a United States sample … We will not stipulate a minimum study sample size for included clinical research studies. … interventions under consideration for this review, make it difficult to reliably establish a minimum sample … Assessments of individual study eligibility based upon sample size will be conducted and fully described … year of publication, study location (e.g., city, state), enrollment period, population description, sample
  5. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-report-machine-learning-screening.pdf
    November 01, 2019 - Performance Testing Sample of Systematic Reviews We selected a convenience sample of three SRs completed … Appendix C shows sample calculations for the Antipsychotics SR using Abstrackr’s predictions. … We used a 200-record training set and a small sample of three SRs. … This study needs to be replicated on a larger sample of SRs and across a greater number of tools to … Sample Calculations Proportion Missed (i.e., error) Of the studies included in the final report, the
  6. effectivehealthcare-admin.ahrq.gov/products/c-diff-infections/research-protocol
    December 01, 2019 - Overall Do performance measures vary with sample characteristics? … In addition, we will randomly select a 10 percent sample of abstracts determined to be eligible for inclusion … concealment, masking of the treatment status, intention to treat principles, and justification of the sample
  7. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/pelvic-pain_disposition-comments.pdf
    January 01, 2012 - The sample size calculations provided were particularly helpful. … reading Fig. 1 (pg. 23) I did wonder about the high number of studies (n=548) excluded due to low sample … As the report notes in the Methods section, we set a sample size cut off of 50 for treatment studies … Even using a generous sample size requirement of 50, few studies included enough participants.
  8. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/making-healthcare-safer-IV.pdf
    August 04, 2023 - The EPC team will have a randomly selected 10% sample of excluded references checked by a second reviewer … A second team member will check a 10% sample of citations to verify that important studies were not … We will ask a second team member to check a randomly selected 10% sample of the excluded citations
  9. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/long-term-care-adults-future_research.pdf
    July 01, 2013 - Larger sample sizes will allow more research on subpopulations, and longer followup times will allow … Larger sample sizes will allow more research on subpopulations, and longer followup times will allow … Larger sample sizes will allow more research on subpopulations, and longer followup times will allow … However, our inability to collect a representative perspective from a larger sample of stakeholders … The sample size was limited by standards and guidelines for statistical surveys administered by the
  10. effectivehealthcare-admin.ahrq.gov/products/point-of-care/research
    November 01, 2017 - Methods We selected a sample of AHRQ EPC comparative effectiveness reviews, traced reports to publications
  11. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/masks-appendix-table-b-2-version-1.xlsx
    January 01, 2007 - Date Retrieved Source Link/URL Study Design Study Dates Geographic Setting Setting Inclusion Criteria Sample
  12. effectivehealthcare-admin.ahrq.gov/sites/default/files/masks-appendix-table-b-2-version-2.xlsx
    January 01, 2007 - Date Retrieved Source Link/URL Study Design Study Dates Geographic Setting Setting Inclusion Criteria Sample
  13. effectivehealthcare-admin.ahrq.gov/products/mhs4-patient-family-engagement/protocol
    September 01, 2023 - Depending on the expected volume of literature, the EPC team may opt to have a randomly selected 10% sample … team will decide whether it has enough time and resources to ask a second team member to check a 10% sample … whether it has enough time and resources to ask a second team member to check a randomly selected 10% sample
  14. effectivehealthcare-admin.ahrq.gov/products/mhs4-computerized-cds/protocol
    September 01, 2023 - Depending on the expected volume of literature, the EPC team may opt to have a randomly selected 10% sample … team will decide whether it has enough time and resources to ask a second team member to check a 10% sample … whether it has enough time and resources to ask a second team member to check a randomly selected 10% sample
  15. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/mhs-IV-patient-family-engagement.pdf
    July 01, 2023 - Depending on the expected volume of literature, the EPC team may opt to have a randomly selected 10% sample … team will decide whether it has enough time and resources to ask a second team member to check a 10% sample … whether it has enough time and resources to ask a second team member to check a randomly selected 10% sample
  16. effectivehealthcare-admin.ahrq.gov/products/bariatric-surgery/research
    January 01, 2020 - We then tested the model in the second half of the sample. … We examined the model by applying it to a large sample of enrollees in 5 participating BCBS plans using … The final model had an ROC of 0.714 in the validation sample. … Comparison of the performance of different models in the validation sample (N=35,528). … Screening characteristics of the selected propensity model in the validation sample.
  17. effectivehealthcare-admin.ahrq.gov/products/kidney-disease-medicine/research-protocol
    December 01, 2019 - We will exclude RCT or CCT with a sample size of less than 100 participants (total enrollment) and those … We believe that studies with smaller sample sizes and/or shorter follow-up duration would have extremely … We will exclude studies with a sample size of less than 50 participants (total enrollment) and those … We will exclude studies with a sample size less than 50 participants (total enrollment across groups) … We will randomly select a 10% sample of all abstracts for repeat review by one of the physician project
  18. effectivehealthcare-admin.ahrq.gov/sites/default/files/antipsychotics-children-update-disposition-170621.pdf
    March 16, 2017 - ASD (ES, Key points) (for individual SGAs): “smaller sample sizes contributing to the SOE for each … TEP 7 Methods [page 68]: Authors mention precision evaluated "on the basis of sample size and, if size … Given the typical small sample sizes within studies, imbalance between groups is likely to occur. … We realized that 2 of the analyses did not split the sample size for one control group and we re-did … aripiprazole, quetiapine, and risperidone because of the precision in these estimates from larger sample
  19. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/antipsychotics-children-update-disposition-170621.pdf
    March 16, 2017 - ASD (ES, Key points) (for individual SGAs): “smaller sample sizes contributing to the SOE for each … TEP 7 Methods [page 68]: Authors mention precision evaluated "on the basis of sample size and, if size … Given the typical small sample sizes within studies, imbalance between groups is likely to occur. … We realized that 2 of the analyses did not split the sample size for one control group and we re-did … aripiprazole, quetiapine, and risperidone because of the precision in these estimates from larger sample
  20. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/mrsa-screening_research.pdf
    June 01, 2013 - Full or representative sample of surgical admissions: • Ambulatory care/ED admissions • Surgical … Full or representative sample of intensive care admissions with the potential to acquire MRSA. … Full or representative sample of general medical admissions with the potential to acquire MRSA. … Full or representative sample of intensive care admissions with the potential to acquire MRSA. … Availability of data should be high, since study sample data already collected.

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