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  1. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/dementia-databases-methods_research.pdf
    May 01, 2008 - LTC) and other characteristics of the sample (e.g., demographics). … Aripiprazole and clozapine were not used by anyone in the sample with ADRD. … Care Research Report Number 4 Discussion This study used a large nationally representative sample … Limiting our sample to only claims would restrict it to those who received medical attention over the … The prevalence of dementia in a statewide sample of new nursing home admissions aged 65 and older:
  2. effectivehealthcare-admin.ahrq.gov/products/prosthesis/research-protocol
    January 01, 2019 - Any study design No minimum sample size (except not case reports) No minimum followup time KQ … adverse effects) Study Design Any study design, including qualitative studies No minimum sample … of accessing a LLP Study Design Any study design, including qualitative studies No minimum sample … , exposures, and comparators analyzed; outcome definitions; effect modifiers; enrolled and analyzed sample … These included descriptions of the study design, sample size, interventions, followup duration, outcomes
  3. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/autism_research-protocol.pdf
    December 09, 2009 - While controlled trials seem to be increasing, much research is observational, generally with small sample … symptoms • Relevant outcomes must be able to be abstracted from data presented in the papers • Sample … After reviewing a sample of relevant articles, the Methods and Content Leads will design the data collection … publication, study location (e.g., country, city, state) and time period, population description, sample … will use established concepts of the quantity of evidence (e.g., numbers of studies, aggregate ending sample
  4. effectivehealthcare-admin.ahrq.gov/sites/default/files/therapies-for-autism-spectrum-disorder-2-9-2010.pdf
    January 01, 2010 - While controlled trials seem to be increasing, much research is observational, generally with small sample … symptoms • Relevant outcomes must be able to be abstracted from data presented in the papers • Sample … After reviewing a sample of relevant articles, the Methods and Content Leads will design the data collection … publication, study location (e.g., country, city, state) and time period, population description, sample … will use established concepts of the quantity of evidence (e.g., numbers of studies, aggregate ending sample
  5. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/opioid-use-disorder_research-protocol.pdf
    February 24, 2016 - Specific sample questions to be asked of the Key Informants based on perspective are listed below in … Sample  Questions  for  Key  Informants   Key  Informant   Perspective   Sample  Questions   Researchers … A sample search strategy is listed below in Table 2. … Sample  Search  Strategy   1.  Opiate  Substitution  Treatment/   2.   … Data  Element   Details   Study  characteristics   Study  design   Inclusion/exclusion  criteria   Sample
  6. Appendix F 0 (xls file)

    effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/Appendix%20F_0.xlsx
    November 04, 2021 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt to Enroll All (or a Random Sample
  7. effectivehealthcare-admin.ahrq.gov/products/transparency-omega-3/research-protocol
    January 01, 2019 - This spreadsheet will capture basic intervention, outcome, study design, sample size, and whether results … they meet additional operational eligibility criteria used in the original review (based on minimum sample … of n-3 FA and followup outcome events), again the primary reason for rejection will likely be small sample … , and study design) but would not have been included in the original report (primarily due to small sample … We quantify such impact as a potential increase in total study population sample size (>20%), a change
  8. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/fibromyalgia_disposition-comments.pdf
    January 26, 2015 - statistical significance may not be reached with such small changes due to variability and small sample … See Table 3 PICOTS framework of the report Introduction that details the sample selection criteria … Additional sample selection criteria varied per study (see Basic Study tables, Appendices E4-E7) … See Table 3- PICOTS framework- of the report Introduction that details the sample selection criteria … Sample size and related factors (such as attrition), are taken into consideration during different
  9. effectivehealthcare-admin.ahrq.gov/products/machine-learning-quality/research
    January 01, 2019 - Skip to main content An official website of the Department of Health & Human Services Careers Contact Us Español FAQs Effective Health Care Program Powered by the Evidence-based Practice Centers …
  10. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/knowledge-brief-2-methods-public-deliberation-130213.pdf
    February 01, 2013 - involves either random or purposive sampling, depending on whether they are seeking a more representative sample … A representative sample is particularly important if sponsors want to be able to say something through
  11. effectivehealthcare-admin.ahrq.gov/sites/default/files/knowledge-brief-2-methods-public-deliberation-130213.pdf
    February 01, 2013 - involves either random or purposive sampling, depending on whether they are seeking a more representative sample … A representative sample is particularly important if sponsors want to be able to say something through
  12. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/breast-biopsy-update_clinician.pdf
    May 01, 2016 - Core-needle procedures, which remove a small tissue sample through a very small incision, have been
  13. effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/transparency-neuropathy_research.pdf
    March 01, 2018 - Comparison of the sample size, primary outcome, and withdrawals due to adverse events reported in the … Two reviewers compared the planned sample size, the primary outcome, and the analysis plan specified … • Comparison of prespecified statistical plan • Sample sizes, total. … Sample Size Followup Published literature only Karmakar, 201435 Not found NA NA NA 28 6 weeks … Sample Size Followup Published literature only Thienel, 200441a Not found NA NA NA 1269
  14. S103 (pdf file)

    effectivehealthcare-admin.ahrq.gov/sites/default/files/s103.pdf
    October 01, 2007 - Inverse Probability-Weighted Estimators Imagine a sample of data from n patients with treatment indicators … To the numerator the analyst adds an indicator variable to restrict the sample to uncensored indi- viduals—those … are likely to respond differently to the treatments of interest, then the analyst should stratify the sample … end of each partition and verify that the sum of the weights is approximately equal to the initial sample … Incomplete Data in Sample Surveys, Vol 3: Symposium on Incomplete Data, Proceedings.
  15. effectivehealthcare-admin.ahrq.gov/products/colorectal-cancer-screening/research-protocol
    December 01, 2019 - In addition, proponents point out that fecal DNA testing requires only a single whole-stool sample (when … Sample Size KQs 1–6: We will not exclude studies based on sample size alone, although it may be considered … source of study funding, study design characteristics, recruitment setting/patient-inclusion criteria, sample … mutations/expression analyzed, the assay characteristics and laboratory setting, and the technique used for sample
  16. effectivehealthcare-admin.ahrq.gov/products/creating-efficiencies-extraction-data/methods-report
    August 01, 2021 - Page Contents Purpose of Study For a sample
  17. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-217-infertility-evidence-summary.pdf
    May 01, 2019 - Summary of strength of evidence for major outcomes—KQ 1 (PCOS) Comparison Outcome Study Design (Sample … pregnancy between clomiphene vs. letrozole Low (1 study) 9 Comparison Outcome Study Design (Sample … of strength of evidence for major outcomes—KQ 2 (endometriosis) Comparison Outcome Study Design (Sample … major outcomes—KQ 3 (unexplained infertility)(continued) 16 Comparison Outcome Study Design (Sample … Infertility treatment in a population-based sample: 2004-2005.
  18. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cannabis-2022-update-surv-rep-1-apps-G1-2.xlsx
    January 01, 2022 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt to Enroll All (or a Random Sample
  19. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cer-250-cannabis-tables-f1-f2-2022-update_0.xlsx
    January 01, 2022 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample
  20. effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/cannabis-2022-surv-rep-3-app-G.xlsx
    January 01, 2022 - Risk of bias of cannabis cohort studies Author, Year Did the Study Attempt To Enroll All (or a Random Sample

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