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Showing results for "sample".

  1. effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-genetic.ppt
    June 01, 2012 - Factors Obtaining, preserving, and storing samples before analysis Analytic Factors Type of assay, sample … Analytic variables include the type of assay chosen and its reliability, the type of sample, the methods … term=12181099 DNA-Based Assays Analyze the DNA itself Use a variety of sample sources (e.g., blood … A variety of DNA sample sources are available, such as blood, cheek swabs, and hair. … term=19141767 Sample Size Calculations It is important to assess whether sample size calculations
  2. effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-infertility_research.pdf
    June 01, 2017 - other trial registration numbers and then trial characteristics, including: condition, intervention, sample … Two trials with a combined sample size of 340 patients were completed more than 3 years ago, indicating … Three studies did not report the sample size in CT.gov and thus were classified as discrepant. … Both trials were applicable to KQ 1 and had a combined sample size of 340 patients.
  3. effectivehealthcare.ahrq.gov/sites/default/files/pdf/antidepressants-update_research-protocol.pdf
    July 13, 2011 - head-to- head comparisons: double-blind, placebo-controlled RCTs Minimum study duration 6 weeks Sample … fair quality, controlled observational studies Minimum study duration For all studies: 3 months Sample … studies: 3 months Study population Adult inpatients and outpatients with recurrent depression Sample … inpatients and outpatients with major depressive disorder, dysthymia, or subsyndromal depression Sample
  4. effectivehealthcare.ahrq.gov/sites/default/files/related_files/diabetes-behavior-programs_disposition-comments.pdf
    September 28, 2015 - Peer Reviewer 1 Methods It is not clear whether the mean differences were weighted by sample size and … If not, then small and large studies Studies were weighted by sample size and variance. … T2DM based on whether the majority of the sample (>75%) were of one disease is somewhat questionable … Peer Reviewer 4 Results Table 10, I would suggest to adding the sample size in each node. … We have added the sample sizes.
  5. effectivehealthcare.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
  6. effectivehealthcare.ahrq.gov/sites/default/files/related_files/lumbar-fusion-protocol.pdf
    June 20, 2024 - This may be based on sample size sufficiency and number of events. … When quantitative synthesis is not possible, sample size and assessment of variance within individual … If sufficient numbers of RCTs (>10) are available to evaluate small sample effects, quantitative funnel … Sample Search Strategies: Lumbar Fusion Strategies will be adapted for databases to be searched. … Sample Search Strategies: Lumbar Fusion
  7. effectivehealthcare.ahrq.gov/sites/default/files/cer-238-cervical-ripening-evidence-summary.pdf
    March 01, 2021 - interventions in the outpatient and inpatient settings suffers from too few RCTs with too small of sample … Filling the gaps in the evidence will require RCTs with sample sizes large enough to evaluate important
  8. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-254-rural-telehealth-app-e.xlsx
    January 01, 2021 - Random Sample or Consecutive/All Patients Meeting Inclusion Criteria? … Random Sample or Consecutive/All Patients Meeting Inclusion Criteria?
  9. effectivehealthcare.ahrq.gov/sites/default/files/related_files/hepatitis-c-screening_executive.pdf
    November 01, 2012 - For studies of diagnostic accuracy, we created 2x2 tables from information provided (usually sample … whether it evaluated a representative spectrum of patients; whether it enrolled a random or consecutive sample … potential negative psychological and social effects, but are difficult to interpret due to small sample … and not screened for HCV infection would provide the most direct evidence, but would require large sample
  10. effectivehealthcare.ahrq.gov/sites/default/files/pdf/TND_0255_06-25-2010.pdf
    January 01, 2010 - identified that comprehensively examine the role of all possible intravascular techniques with a literature sample
  11. effectivehealthcare.ahrq.gov/sites/default/files/pdf/c-diff-infections_research-protocol.pdf
    May 24, 2010 - Do performance measures vary with sample characteristics? … In addition, we will randomly select a 10 percent sample of abstracts determined to be eligible for … Source: www.effectivehealthcare.ahrq.gov Published Online: May 24, 2010 justification of the sample
  12. effectivehealthcare.ahrq.gov/sites/default/files/pdf/migraine-emergency_research-protocol.pdf
    July 18, 2011 - care center for treatment of severe headache within the previous 12 months. 8 In a representative sample … We will pre-test this form on a sample of studies. … A sample of studies will be used to pilot both tools. … author, date of publication, study design, setting, treatment groups, inclusion/exclusion criteria, sample … interventions compared with placebo, as well as estimates of which interventions are the best. 26 A burn-in sample
  13. effectivehealthcare.ahrq.gov/sites/default/files/pdf/chronic-kidney-disease-anemia_research.pdf
    January 01, 2013 - this viewpoint is not universally accepted in the setting of CKD.2 Moreover, taking a bone marrow sample … The sample size calculation becomes more tedious to do when the same subject undergoes multiple tests … The sample size calculation becomes more tedious when the same subject undergoes multiple tests, as … is important to control for these confounding factors in future research, which will require large sample … Power and sample size calculation of comparative diagnostic accuracy studies with multiple correlated
  14. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/breast-biopsy-executive.pdf
    December 01, 2009 - Open surgical biopsy involves removing a sample of tissue from the suspicious area through a surgical … After the tissue sample is removed, the incision is closed with sutures.
  15. effectivehealthcare.ahrq.gov/sites/default/files/pdf/kidney-disease-medicine_research-protocol.pdf
    November 01, 2010 - 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
  16. effectivehealthcare.ahrq.gov/sites/default/files/pdf/bariatric-surgery_research.pdf
    June 01, 2010 - 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) Risk Model Based … Screening characteristics of the selected propensity model in the validation sample Percentile of
  17. effectivehealthcare.ahrq.gov/sites/default/files/related_files/joint-replacement-disposition-comments.pdf
    November 03, 2021 - significant benefit when two active forms of treatment are compared (compounded by the issues of small sample
  18. effectivehealthcare.ahrq.gov/sites/default/files/related_files/chronic-kidney-disease-anemia-2011_disposition-comments.pdf
    January 01, 2011 - LDOs and most MDOs and SDOs use central labs which entail a significant time delay between blood sample … These machines actually run a CHr on every sample but only report the result if the CHr is ordered … We mentioned the sample storage issue in “Applicability and Implications for Clinical and Policy Decisionmaking
  19. PEPTIC ULCER #11 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/peptic-ulcer-horizon-scan-high-impact-1512.pdf
    December 01, 2015 - The Cytosponge™ Cell Collection Device is intended to capture a sample of esophageal cells for laboratory … Intervention: The Cytosponge™ Cell Collection Device is intended to capture a sample of esophageal
  20. effectivehealthcare.ahrq.gov/sites/default/files/related_files/prevent-hai-protocol.pdf
    April 16, 2024 - Appendix 1 presents a sample search strategy. 3 Literature screening will be performed using … Sample Search Strategy Embase and MEDLINE in Embase.com Syntax Line # Description Search String #1 … of knowledge*' OR 'web of science')) OR (systematic* NEAR/3 review*)):ti,ab) #15 RCTs ('random sample

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