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Total Results: 1,264 records

Showing results for "sample".

221. Topic Brief: Accelerated Partial Breast Irradiation for Breast Cancer (pdf file)
     effectivehealthcare.ahrq.gov/system/files/docs/topic-brief-apbi-breast-cancer.pdf
     August 01, 2022 - Evidence map □ Rapid review □ Rapid response □ Expanded topic brief Key Findings • From a sample … In that sample, we found studies relevant to all but KQ4. 4 For KQ1, we found three randomized … Because a large number of articles were identified, we reviewed a random sample of 200 titles and abstracts … projected total number of included studies based on the proportion of studies included from the random sample … We took a sample (200 studies) from a total of 878 studies published between 2017 and 2020.

222. Untitled (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/antipsychotics-children-update_research-protocol.pdf
     December 04, 2015 - We do not have a minimum sample size for inclusion, nor do we have a minimum threshold for extent of … The modified form will be pilot tested using a sample of the original CER’s studies by all review team … For dichotomous outcomes, we will report counts or proportions, and sample size, by study arm. … We will assess precision (precise or imprecise) on the basis of sample size and, if size is adequate … Where there are at least ten studies having variable sample sizes in a meta-analysis, we will analyze

223. Wheeled Mobility (Wheelchair) Service Delivery (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/wheelchair-service_technical-brief.pdf
     January 01, 2012 - Sample sizes ranged from three to 318 and included individuals of all ages, with most studies focused … mobility service delivery (continued) Reference Study Purpose Population Included Study Design Sample … Convenience sample of 132 individuals participating in the National Veterans Wheelchair Games in … Random sample of mobility assistive device users (rollators and manual wheelchairs) in Sweden. … Convenience sample of current patients of ALS/Muscular Dystrophy Association center in Charlotte,

224. Research Protocol for Interventions for Substance Use Disorders in Adolescents: A Systematic Review (pdf file)
     effectivehealthcare.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

225. Disposition of Comments Report for CER 226: Labor Dystocia (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/cer-226-labor-dystocia-comments.pdf
     May 14, 2020 - main text introduction General TEP Reviewer #3 a) The excellent details about differences in the sample … the end of this paragraph: ‘Feasibility and ethical challenges with obtaining a large, contemporary sample … 2020 15 Section Commentator & Affiliation Comment Response Methods Peer Reviewer #1 Why was sample … Sample size is implicitly included in the rating of strength of evidence— measures of association for

226. hemorrhage-postpartum-protocol-140611 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/hemorrhage-postpartum_research-protocol.pdf
     June 11, 2014 - We will not require a minimum sample size for comparative studies addressing Key Questions 1-4. … For estimating sample size, we used the one-tailed z-test and the t-test. … and the possibility of an effect size for continuous outcomes as large as 0.80 or more, the smallest sample … of the numerous possible harm outcomes and study designs, we were not able to determine a specific sample … After reviewing a sample of relevant articles, the team will test and revise the screening and data

227. Omega-3 Fatty Acids and Cardiovascular Disease: An Updated Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/fatty-acids-cardiovascular-disease_disposition-comments.pdf
     August 12, 2016 - Some of the exclusions of studies on the basis of sample size seem arbitrary: for example, studies of … We have added a small section, under Minimum Sample Sizes, to explain our rationale and to state … In contrast, the minimum sample sizes for RCTs with lipid and BP outcomes may direct your results in … The sample size was too small (N<30) in each arm at 1 year followup. … All those that were not included had already been rejected (mostly based on sample size, too-short

228. Treatment of Osteoarthritis of the Knee: An Update Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/osteoarthritis-knee-update-disposition-archived.pdf
     May 04, 2017 - We presented the sample sizes in the narrative descriptions of the studies, as well as in the evidence … Noting the total sample size is not sufficient. … We reincluded all studies that had been excluded solely for small sample size, with the exception … We reincluded all studies that had been excluded solely for small sample size, with the exception … TEP Reviewer #4 Discussion /Conclusio n Page 67 line 35-27: It appears that trial sample size

229. Treatment of Osteoarthritis of the Knee: An Update Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/osteoarthritis-knee-update-disposition.pdf
     May 04, 2017 - We presented the sample sizes in the narrative descriptions of the studies, as well as in the evidence … Noting the total sample size is not sufficient. … We reincluded all studies that had been excluded solely for small sample size, with the exception … We reincluded all studies that had been excluded solely for small sample size, with the exception … TEP Reviewer #4 Discussion /Conclusio n Page 67 line 35-27: It appears that trial sample size

230. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/progestogens-preterm-birth_research-protocol.pdf
     June 01, 2010 - and results • Abstraction of relevant outcomes from data presented in papers must be possible • Sample … After reviewing a sample of relevant articles, the methods lead and the content lead will design three … common elements (e.g., author, publication year, study location, time period, population description, sample … use established concepts 1) the quantity of evidence (e.g., numbers of studies, aggregate ending sample

231. EHC Protocol: Addressing Social Isolation To Improve Health of Older Adults: A Rapid Evidence Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/mhs-IV-surgical-report-cards.pdf
     July 01, 2023 - Depending on the expected volume of literature, the EPC team may opt to have a randomly selected 10% sample … 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

232. Treatment for Restless Legs Syndrome: Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/restless-legs-future_research.pdf
     February 01, 2013 - Sample size calculations should ensure adequate power to test selected predefined hypotheses and take … RCTs with sufficient sample sizes can detect meaningful differences in outcomes because randomization … Resource use, size, and duration RCTs are difficult to recruit to, require large sample sizes and … Sample sizes will need to be large, and lost-to-follow-up issues will likely be significant. … Sample size will need to be large given the number of treatment options available.

233. A Bayesian Missing Data Framework for Multiple Continuous Outcome Mixed Treatment Comparisons (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/indirect-comparisons_research-2013.pdf
     January 01, 2013 - Table 1 displays the data from these 54 RCTs, comprising aggregated continuous outcomes (sample mean … That is, where population m is the observed sample m ~ ∆ , , ean of the m ean, is the known … sample variance, and 1, … , , easurem 1, … ents, , , is the num 1, is the unknown true … For simplicity, we assume that every study has sample size 100 and standard deviation of 2 for every … To sample the partially missing data, we compare the results under missing completely at random (MCAR

234. Long-Term-Care-Adults Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/long-term-care-adults_executive.pdf
     November 01, 2012 - NH residents or Medicare home health recipients); no relevant comparison; no relevant settings or sample … We abstracted data based on study design; location (the United States or international); sample populations

235. Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: An Update of the PTSD Repository Evidence Base (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-6-protocol.pdf
     December 07, 2024 - Diagnosis of acute stress disorder • Studies that do not specify criteria used to diagnose PTSD • Sample … and determined to meet inclusion criteria, we will abstract study design, year, setting, country, sample … Characteristics of included studies, such as number of publications by year, study sample size, proportion … Study Comments 15 Sample Characteristics 1. N Randomized 2. … Duration of Symptoms/Diagnosis Sample Characteristics: Standard Deviation 15.

236. Cervical Degenerative Disease Treatment (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/product/pdf/cervical-degenerative-protocol.pdf
     January 12, 2022 - Appendix A contains our sample MEDLINE® search strategy which will be adapted to search the other databases … will conduct appropriate statistical tests (e.g., funnel plots, statistical tests for Egger’s small sample … 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 … Sample Search Strategies: Cervical Degenerative Disease Treatment Strategies will be adapted for databases

237. Rapid Response_The Association Between Outcomes and Dental Services in Persons With Autoimmune Disease Treated With Biologics and Other Immunosuppressants: A Rapid Response Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/autoimmune-disease-rapid-research.pdf
     November 01, 2024 - country, autoimmune disease and associated medication for treatment • Study design: study design, sample … included primary studies Study Type Author Year Country Study Design Followup Length Sample … 1, Primary Studies 21 Study Type Author Year Country Study Design Followup Length Sample … 1, Primary Studies 22 Study Type Author Year Country Study Design Followup Length Sample … 1, Primary Studies 23 Study Type Author Year Country Study Design Followup Length Sample

238. Prognostic Tests (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/medical-test-reviews-prognostic.ppt
     June 01, 2012 - Did the sample represent patients who would be tested in clinical practice? … Were the results externally validated using an independent sample or internally validated using bootstrap … Were previously established prognostic tests that were used as comparators fitted to the sample data … term=17182986 Fitting a new prognostic test to the sample data (test development sample) by using … Sample Reclassification Table Based on Predicted Outcome Probabilities Step 4: Extracting Statistics

239. Prognostic Tests (ppt file)
     effectivehealthcare.ahrq.gov/sites/default/files/medical-test-reviews-prognostic.ppt
     June 01, 2012 - Did the sample represent patients who would be tested in clinical practice? … Were the results externally validated using an independent sample or internally validated using bootstrap … Were previously established prognostic tests that were used as comparators fitted to the sample data … term=17182986 Fitting a new prognostic test to the sample data (test development sample) by using … Sample Reclassification Table Based on Predicted Outcome Probabilities Step 4: Extracting Statistics

240. Gout Executive-2016 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/gout_executive-2016.pdf
     January 01, 2016 - differences in skill levels of the practitioners drawing or analyzing the samples, or differences in sample … or end-stage renal disease patients (12); titles with no abstracts (based on a survey of a random sample … examined the effect of the type of practitioner performing fluid aspiration on the ability to obtain a sample … Insufficient No conclusion possible Duration of current flare Insufficient No conclusion possible MSU sample … The accuracy of methods for urate crystal detection in synovial fluid and the effect of sample handling