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Showing results for "studies".

  1. effectivehealthcare.ahrq.gov/products/methods-guidance-bias
  2. effectivehealthcare.ahrq.gov/sites/default/files/pdf/ongoing-studies-evidence_research.pdf
    December 01, 2010 - Proportion of Completed Studies Among All Eligible Studies That Were Registered in ClinicalTrials.gov … In July of 2010 ClinicalTrials.gov listed nearly 95,000 studies and ISRCTN listed over 9,000 studies … All relevant studies of pharmacological treatments for dementia, 99 percent of the relevant studies … for the NIH sponsored studies. … studies is not as straightforward.
  3. effectivehealthcare.ahrq.gov/sites/default/files/selecting-evidence.ppt
    January 01, 2010 - These studies include: All nonexperimental studies Cohort, case-control, cross-sectional studies We present … Observational Studies Observational Studies Now that we have identified why observational studies should … In other words, all nonexperimental studies are observational studies. … studies. … studies.
  4. effectivehealthcare.ahrq.gov/sites/default/files/related_files/selecting-evidence.ppt
    January 01, 2010 - These studies include: All nonexperimental studies Cohort, case-control, cross-sectional studies We present … Observational Studies Observational Studies Now that we have identified why observational studies should … In other words, all nonexperimental studies are observational studies. … studies. … studies.
  5. effectivehealthcare.ahrq.gov/products/methods-guidance-bias-individual-studies/methods
  6. effectivehealthcare.ahrq.gov/sites/default/files/related_files/pressure-ulcer-treatment_executive.pdf
    May 01, 2013 - If such studies were not available, we included cross-sectional studies and intervention series studies … (6 studies). … (7 studies). … (5 studies). … 4 studies).
  7. www.ahrq.gov/news/newsroom/case-studies/multicenter-0701.html
    October 01, 2014 - Health System Performance Search All Impact Case Studies February 2007 The Commonwealth Fund's … concepts in these priority areas were selected based on an extensive review of journal articles or studies … Search All Impact Case Studies Impact Case Study Identifier: Multi-Center-07-01
  8. effectivehealthcare.ahrq.gov/sites/default/files/related_files/infantile-hemangioma_executive.pdf
    January 01, 2016 - and 19 retrospective cohort studies, 2 diagnostic accuracy studies (defined as studies that compared … to RCT studies only. … Six comparative studies addressed timolol (two RCTs and four cohort studies). … Studies of Surgical Treatment Few comparative studies addressed surgical approaches. … ≤5% of children in 6 studies.
  9. effectivehealthcare.ahrq.gov/sites/default/files/related_files/asd-medical-executive-170505.pdf
    May 01, 2017 - Seven studies addressed variations of the gluten-free diet, but studies addressed different outcomes … The methodologic rigor of studies has increased substantially compared with those studies reported in … While seven studies addressed variations of the gluten-free diet, studies addressed different outcomes … We did not conduct a de novo search for such studies but re-examined the excluded studies from the … Harms reporting varied across studies; some studies amply described how harms were tracked, while others
  10. effectivehealthcare.ahrq.gov/sites/default/files/related_files/liver-cancer_executive.pdf
    October 01, 2014 - studies of nonhuman subjects. … Europe combined (92 studies). … than studies with a contrast rate <3 ml/s (0.71; 95% CI, 0.50 to -0.85; 4 studies). … 7 studies) than studies without delayed phase imaging (0.74; 95% CI, 0.66 to 0.87; 7 studies). … (2 studies).
  11. effectivehealthcare.ahrq.gov/sites/default/files/related_files/hemorrhage-postpartum_executive.pdf
    April 01, 2015 - We excluded 844 studies at full-text review and included 68 unique studies (76 publications) in the … (5 studies), embolization (19 studies), uterine compression sutures (3 studies), uterine and other … pelvic artery ligation (5 studies), embolization and hysterectomy (1 study), hysterectomy (8 studies … Four studies of rFVIIa reported on thrombotic events, but sample sizes were small and studies were … 4 RCTs, 2 prospective and 14 retrospective cohort studies, 10 pre-post studies (studies that compare
  12. effectivehealthcare.ahrq.gov/sites/default/files/related_files/tonsillectomy_executive.pdf
    January 01, 2017 - studies) (KQ1-6) • Harms: Comparative studies (RCTs, prospective or retrospective cohort studies with … cohort studies had high risk. … studies. … studies and no significant group differences in two studies. … in comparative studies.
  13. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/rotator-cuff-tear_executive.pdf
    July 01, 2010 - Studies The search strategy identified 5,677 citations; 137 unique studies met the eligibility criteria … The studies included 27 trials, 39 cohort studies, and 71 uncontrolled studies. … Results of Included Studies The results of the included studies are presented by the key question(s) … A total of 113 studies examined the effectiveness of operative interventions, while 11 studies evaluated … The majority of surgical studies (32 comparative studies and 58 uncontrolled studies) evaluated operative
  14. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/ischemic-stroke-treatment_executive.pdf
    January 01, 2011 - single-arm studies or retrospective studies enrolling consecutive patients. … Only 1 of 25 studies (4 percent) reported including patients with occlusions in other areas and 6 studies … of 25 (68 percent) studies. … System studies. … Compared to previous, similarly designed studies of these agents, these studies will enroll much larger
  15. effectivehealthcare.ahrq.gov/sites/default/files/pdf/renal-artery-stenosis_research-2007.pdf
    January 01, 2007 - The remaining studies were cohort studies of different interventions. … These studies would directly address Key Question 1. No published studies qualify for Tier I. … II studies. … Search and selection of studies for review Medical treatment studies included (n=4 studies; 5 articles … studies.
  16. effectivehealthcare.ahrq.gov/sites/default/files/related_files/quality-gap-palliative-hospice_executive.pdf
    October 01, 2012 - Since there are high-quality studies in this field, we excluded all retrospective and uncontrolled studies … For most studies, this was usual health care, but some studies tested interventions that were added … All seven studies were RCTs. … (2 studies). … We identified few studies in hospice populations and no studies focusing on reducing disparities in
  17. effectivehealthcare.ahrq.gov/sites/default/files/related_files/measuring-blood-pressure_executive.pdf
    January 01, 2012 - Further, no two studies used exactly the same mode of additional support, and even the studies that … There were no studies in children. … across studies. 14 Table A. … • Conclusion: The evidence is weak due to inconsistency across studies or poor- quality studies … Moderately rated bodies of evidence contain fewer than 2 quality A studies or such studies lack long-term
  18. effectivehealthcare.ahrq.gov/sites/default/files/related_files/undescended-testicle_executive.pdf
    December 01, 2012 - Eighteen studies pertain to KQ1a, 2 studies to KQ1b, 14 studies to KQ2, 26 studies to KQ3, 23 studies … to KQ4, and 11 studies to KQ5. … Modifiers of Treatment Twenty-three studies reported modifier data, including 18 imaging studies (1 … studies and draw Table D. … Research Gaps Although a number of studies are available on US and MR approaches, very few studies
  19. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/renal-artery-stenosis_executive.pdf
    October 01, 2006 - , all 25 angioplasty studies, all 4 medical studies, 2 natural history studies, and 2 surgical cohort … studies reported blood pressure outcomes. … Natural history studies Associations between baseline variables and outcomes in natural history studies … Mortality Weak • 1 RCT, 3 nonrandomized comparative studies, and 31 cohort studies of various interventions … Angioplasty N/A • 5 comparative studies and 15 cohort studies analyzed baseline variables as possible
  20. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/cancer-radiation_executive.pdf
    November 01, 2009 - Out of 243 papers, 185 were single-arm retrospective studies, and another 35 studies were prospective … Seven studies (3 percent) focused on a pediatric population; most of the remaining studies reported mean … Two studies had mean followup longer than 10 years. … studies (46 percent), cancer specific survival; and 210 studies (86 percent), other surrogate outcomes … photon radiation for other cancers (six studies); surgery (three studies).