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  1. effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-biopsy-update_research-protocol.pdf
    September 20, 2013 - Studies must have been prospective or retrospective cohort studies or randomized controlled trials. … As for cost studies, we will only consider cost-effectiveness/cost-utility studies conducted in the … • Randomized controlled trials, cohort studies, and cross-sectional studies on patient preferences … included in the review (these studies will comprise the majority of the available studies).20-23 The … / or Cohort/ or Longitudinal studies/ or Evaluation studies/ or Follow-up studies/ or Prospective studies
  2. effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/rt-bone-metatases-final-protocol-amendment.pdf
    August 10, 2022 - Studies of at least 10 patients per treatment arm GENERAL • Dosimetry modeling studies • Non-human … studies • NRSI for effectiveness if RCTs are available • Studies with <10 patients per arm • … Single arm studies (unless no comparative studies); if used, exclude studies of <10 patients • … In the absence of comparative studies, single arm (e.g., case series, pre-post studies) with at least … from poorer- quality studies.
  3. effectivehealthcare.ahrq.gov/sites/default/files/related_files/autism-adolescents_executive.pdf
    August 01, 2012 - , the poor quality of the studies and the lack of replication of the intervention studies mean that … paper17 reported 2 separate studies) … A number of studies of SRIs were identified but with limited consistency across studies as a whole. … effective studies of treatments. … studies were small.
  4. effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-risk-bias.ppt
    June 01, 2012 - for Inclusion Search for Studies Extract Data from Studies Analyze and Synthesize Studies Assess … However, medical test performance studies are typically cohort studies (observational studies) rather … How to apply criteria: Criteria developed for laboratory studies may not be appropriate for studies of … For example, criteria developed to evaluate laboratory studies may not be appropriate for studies of … well-reported studies.
  5. effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-risk-bias.ppt
    June 01, 2012 - for Inclusion Search for Studies Extract Data from Studies Analyze and Synthesize Studies Assess … However, medical test performance studies are typically cohort studies (observational studies) rather … How to apply criteria: Criteria developed for laboratory studies may not be appropriate for studies of … For example, criteria developed to evaluate laboratory studies may not be appropriate for studies of … well-reported studies.
  6. effectivehealthcare.ahrq.gov/sites/default/files/related_files/appendicitis_executive.pdf
    December 01, 2015 - ) Studies from reviews (297 studies) Full-text articles included – duplicates removed (925 studies) … KQ1 903 studies KQ2 76 studies KQ3 83 studies Excluded (4,261 studies): Abstract only (364) Appendicitis-specific … Among pregnant women, CT (5 studies), MRI (10 studies), and US (10 studies) had similar specificity … Seven studies (5 studies of US, 2 of MRI, 1 of CT, and 1 of clinical symptoms and signs, some studiesstudies.
  7. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/atrial-fibrillation-ablation_executive.pdf
    July 01, 2009 - this group of retrospective studies. … ; 19 studies reported no cerebrovascular events. … Atrioesophageal fistula was reported in 26 studies: 5 studies reported 1 case each, with event rates … Studies on identifying the patients who are most likely to benefit from RFA and studies on different … of studies Number of Comparisons Study type studies by quality1 patients Good Fair Poor Radiofrequency
  8. effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/telehealth-during-COVID-19-amendments.pdf
    April 28, 2022 - o Quantitative studies: RCT, CT, observational studies, and surveys KQ3: Qualitative studies: focus … Assessment of Quality of Individual Studies Paired investigators will assess studies independently for … : focus groups, interviews o Quantitative studies: RCT, CT, observational studies, and surveys … or EHR data† KQ 2: Quantitative studies (e.g., RCT, CT, cohort studies.) … and quantitative studies) Search update revision: KQ2: Comparative studies only KQ3: include only
  9. effectivehealthcare.ahrq.gov/sites/default/files/pdf/sodium-potassium_research-protocol.pdf
    April 18, 2017 - Studies comparing an experimental diet to usual diet, studies comparing levels of sodium intake, or … ; multicomponent studies that do not properly control for confounders; and studies relying only on … • Study design o Prospective cohort studies and nested case-control studies, where at least two … Studies comparing an experimental diet to usual diet, studies comparing levels of sodium intake, or … Studies comparing an experimental diet to usual diet, studies comparing levels of potassium intake,
  10. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cancer-ovarian-contraceptives_executive.pdf
    June 01, 2013 - (randomized trials, cohort studies, case- control studies), pooled patient-level meta-analyses, or … Of these, 39 were case- control studies, 10 were cohort studies, and 6 were pooled analyses. … two studies. … Seven studies (three case- control studies and four cohort studies: four good quality, two fair quality … In a separate meta-analysis including eight studies (three case-control studies and five cohort studies
  11. effectivehealthcare.ahrq.gov/sites/default/files/related_files/evidence-summary-cer-195-uterine-fibroids-final.pdf
    December 01, 2017 - Final health outcomes reported in medication studies Intervention Outcome Category Studies Reporting … Women included in the studies were predominately premenopausal (39 studies). … In raloxifene studies with premenopausal women, neither bleeding pattern (in 3 studies) nor hemoglobin … Two studies compared UAE to myomectomy; 3 studies compared UAE to hysterectomy; and four studies compared … Participants in prospective studies were somewhat younger than those in retrospective studies (mean
  12. effectivehealthcare.ahrq.gov/sites/default/files/study-eligibility-criteria.ppt
    January 01, 2000 - Include studies in foreign languages? … Observational Studies (I) There are four main types of observational studies: Cohorts (with comparisons … ) Case controls Case series Registries/databases Observational Studies (I) Observational Studies … Another 27 studies would have been excluded had the review been limited to studies of only women. … Had the team limited the review to studies that included only women, another 27 studies would have been
  13. effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/hypertensive-disorders-pregnancy-protocol-amendment.pdf
    April 20, 2022 - o Case-control studies o Claims database analyses o Feasibility studies o Device validation studies … o Case-control studies o Claims database analyses o Feasibility studies o Qualitative studies o … o Case-control studies o Claims database analyses o Feasibility studies o Qualitative studies o … These may include single group (including registry) studies, qualitative and mixed- methods studies, … They may help to identify particular studies or databases to search for studies to be included in the
  14. effectivehealthcare.ahrq.gov/sites/default/files/related_files/hypertension-pulmonary-arterial_executive.pdf
    April 01, 2013 - (41 studies; 4,394 patients), mixed (8 studies; 1,186 patients), and symptoms not described (8 studies … Echo sPAP in asymptomatic patients SOE = Insufficient (No studies) SOE = Insufficient (No studies … Thirty-four studies used RHC as a reference test, 15 studies used 6MWD as a reference test, and 10 … The studies reported the following outcomes: 6MWD (27 studies), mortality (21), dyspnea (17), right … those cases in case-control design studies, making these studies a poor match for the question at
  15. effectivehealthcare.ahrq.gov/sites/default/files/related_files/preterm-birth-terbutaline-pump_disposition-comments.pdf
    September 01, 2011 - comparative studies. … Lam’s earlier studies from the late ‘80s note a few pump problems, his later studies did not so perhaps … comparative studies. … If further studies are to be considered. … This conclusion was based on observational studies only.
  16. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/antipsychotics-children_executive.pdf
    February 01, 2012 - additional studies. … The studies included 62 RCTs, 2 NRCTs, and 17 cohort studies (9 prospective and 8 retrospective). … behavior disorders (8 studies), bipolar disorder (11 studies), schizophrenia and schizophrenia- related … psychosis (31 studies), Tourette syndrome (7 studies), behavioral issues (4 studies), and various psychiatric … In addition, 17 studies compared different doses of the same antipsychotic, and 26 studies compared a
  17. Layout 1 (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/pelvic-pain_executive.pdf
    January 01, 2012 - We rated studies as good, fair, or poor quality and retained poor studies as part of the evidence base … of interest for this review.8- 31 Dyspareunia (11 studies), dysmenorrhea (12 studies), and IBS (10 studies … interventions.8,10-16,35-44 Fourteen of these studies were RCTs, and three were prospective cohort studies … Many studies also included a population of patients with endometriosis; few studies include participants … • Few nonsurgical studies reported harms.
  18. effectivehealthcare.ahrq.gov/sites/default/files/related_files/nephropathy-contrast-induced_executive.pdf
    October 01, 2015 - We also searched ClinicalTrials.gov to identify ongoing studies. … We performed de novo meta-analyses of all studies on a given comparison if the studies were similar … using only intra-arterial contrast media, 2 studies using only intravenous contrast media, and 3 studies … ); and 3 studies investigating the use of ascorbic acid versus N-acetylcysteine (all studies using … Assessing Risk of Bias in Included Studies.
  19. effectivehealthcare.ahrq.gov/sites/default/files/related_files/patient-centered-medical-home_executive.pdf
    July 01, 2012 - versus pediatric studies. … Most studies were conducted in integrated health care systems (10 of 17 studies). … Only two of these studies are RCTs. … KQ 4—Horizon Scan of Ongoing PCMH Studies Ongoing studies: A relatively large number of studies evaluating … In contrast to the majority of studies included in our review, all of these studies describe explicit
  20. effectivehealthcare.ahrq.gov/sites/default/files/related_files/case-management_executive.pdf
    January 01, 2013 - adults with one or more chronic diseases (20 studies/30 articles) • Frail elderly (14 studies/17 … articles) • Dementia (15 studies/26 articles) • Congestive heart failure (12 studies/12 articles) … • Diabetes mellitus (12 studies/24 articles) • Cancer (6 studies/8 articles) • Chronic infections … (HIV or tuberculosis) (15 studies/ 17 articles) • Other medical problems (15 studies/19 articles) … Several studies found reduced ED use in patients receiving CM, but other studies found no effect.

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