Results

Total Results: 969 records

Showing results for "design sample size".

241. Fractional Exhaled Nitric Oxide Clinical Utility in Asthma Management (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/asthma-nitric-oxide_research-protocol.pdf
     September 06, 2016 - • Any sample size • RCTs, cohort or comparative effectiveness, case reports • Cross-sectional studies … linear regression of log transformed diagnostic odds ratio (logDOR) on inverse root of effective sample … size in addition to asymmetry test of funnel plots. … Based on this assessment and the initial study design, we will assign a strength of evidence rating … Therefore study questions, design, and methodological approaches do not necessarily represent the views

242. Treatment of Stage I-III Squamous Cell Anal Cancer (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/anal-cancer-protocol.pdf
     September 26, 2023 - Population, Intervention, Comparator, Outcome, Timing, Setting/Study Design (PICOTS) Inclusion … case series, commentaries, cross-sectional studies, reviews, qualitative studies, studies with sample … size less than 30 patients (or less than 15 per treatment group/arm), non-randomized studies with … sponsorship, setting, subject inclusion and exclusion criteria, intervention and control characteristics, sample … size, followup duration, participant baseline age, race/ethnicity, clinical characteristics including

243. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/ace-inhibitor-arb-update_research-protocol.pdf
     May 07, 2010 - be included if all of the following criteria apply: • The study is a direct comparison (any study design … renal function, angioedema, cough, hyperkalemia • Tolerability • Persistence • Adherence 6) Sample … size: - We will not exclude articles based on sample size during the full text screening but may … To assess quality, we will employ the strategy to: (1) classify the study design, (2) apply predefined … Therefore study questions, design and/or methodological approaches do not necessarily represent the

244. The Performance of Fusion Procedures for Degenerative Disease of teh Lumbar Spine (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/lumbar-fusion-protocol.pdf
     June 20, 2024 - , year, setting, country, funding, sample size, eligibility criteria, attrition, patient characteristics … Significant flaws that imply biases of various kinds that may invalidate results; “fatal flaws” in design … 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 … Therefore, study questions, design, and methodological approaches do not necessarily represent the views

245. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/ace-inhibitor-arb-update_executive.pdf
     June 01, 2011 - studies of LV mass/ Low (ACEI vs. function, these were dominated by poor-quality studies with ARB); small sample … sizes, and only one study included evaluation of Insufficient a direct renin inhibitor. … Future research should utilize large databases with sufficient sample sizes to obtain more precise estimates

246. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/genitourinary-symptoms-protocol_0.pdf
     July 10, 2023 - subject inclusion and exclusion criteria, intervention and control 10 characteristics, sample … size, follow-up duration, participant baseline age, race, and results of primary outcomes and adverse … PICOTS) Allowed inclusion of systematic reviews (SRs) of any eligible primary study design for … Therefore, study questions, design, and methodological approaches do not necessarily represent the … Draft Population, Intervention, Comparator, Outcome, Timing, Setting/Study Design (PICOTS) B.

247. Ch 2-User-Guide-To-Ocer 130129 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/ch_2-user-guide-to-ocer_130129.pdf
     January 01, 2011 - The cohort design is also easy to conceptualize and readily compared to the RCT, a design with which … Case-Control Study Design Description Nested within an underlying cohort, the case- control design … This may not be a major issue if the design is used in addition to the full case-control design. … To do so, the design uses controls as in a case-control design but estimates a case-crossover odds … include the reduction in sample size leading to reduced precision of treatment effect estimates and

248. Disposition of Comments - 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/pharma-nonpharma-ptsd-2025-update-disposition-comments.pdf
     January 01, 2025 - Treatments are categorized as active control or active treatment based on the study design. … Peer Reviewer #3 Methods One might wonder what would be the point of including something with a sample … size of 8-might consider having a minimum. … Sample size was not limited as novel treatments may be evaluated in smaller studies and information … TEP Reviewer #2 General This report is iterative, by design and not meant pejoratively.

249. Presentation of Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/presentations-future_research.pdf
     April 01, 2012 - presented as a recommendation, the panel included a rationale and did not include specifics in terms of sample … size or other details. 10 Recommendations General Recommendations The FRN, whether methodological … There may be design tradeoffs or specific issues to consider. … Most direct way to address less common comorbidities; allows for adjustment for confounding; sample … size and resources needed for longer follow-up are potential limitations Yes: Most efficient

250. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/coronary-artery-stenting_research-protocol.pdf
     August 19, 2011 - eligible: o RCTs o Nonrandomized comparative cohort (observational) studies • No minimum sample … size requirement (to be re-evaluated when the literature is being screened; if there are sufficient … size will be imposed after consulting with the TEP) Settings • Application of IVDx techniques … effectiveness reviews and will include fields that address population characteristics, sample size, … study design, analytic details, and outcomes.

251. Noninvasive Nonpharmacological Treatment for Chronic Pain: A Systematic Review Update - Evidence Summary (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/noninvasive-nonpharm-pain-summary.pdf
     April 01, 2020 - Key Questions and PICOTS (populations, interventions, comparators, outcomes, timing, setting, study design … size), the results are interpreted as showing no clear difference between treatments. … and research recommendations Research Component Evidence Gap Future Research Recommendation Study design … size designed to evaluate differential effectiveness and safety of treatments in subpopulations of … Documentation of coexisting conditions and factors in trials with sufficient sample- size to evaluate

252. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/preterm-birth-terbutaline-pump_executive.pdf
     September 01, 2011 - Sample sizes ranged from 9 to 1,366, but greater than 70 percent of studies included at least 200 participants … size, and selective outcome reporting, were unclear.22,23 Neonatal Health Outcomes (Key Question 1) … However, given the small number of events and limited sample size (n=42), the RCT was underpowered and … size (false negative). … feasible for a number of reasons, such as a prohibitive sample size requirements and ethical considerations

253. First- and Second-Generation Antipsychotics in Children and Young Adults: Systematic Review Update--Executive Summary (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/antipsychotics-children-update_executive.pdf
     January 01, 2018 - d Downgraded for ROB and imprecision because of small sample size, typically < 200 patients in total. … b Downgraded for ROB. c Downgraded for ROB and imprecision because of small sample size, typically < … b Downgraded for ROB and imprecision because of small sample size (typically < 200 patients). 21 … Few studies having small sample sizes reported on major AEs which were often rare outcomes. … c Downgraded for ROB. d Downgraded for ROB and imprecision due to small sample sizes. e Downgraded for

254. Fiber Intake and Laxation Outcomes (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/fiber-intake-protocol.pdf
     August 15, 2023 - maximum prediction score is <0.40, we will screen at least 400 additional consecutive citations (this sample … size is chosen because the upper 97.5% confidence interval bound for a proportion of 0/400 is less … The only eligible study design is randomized controlled trials. … following for each life stage (as feasible), each analyzed fiber type, and each outcome: study types and sample … sizes, overall methodological limitations, consistency, precision, directness, SoE rating, and conclusions

255. Menopause-Protocol-130612 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/menopause-protocol-130612.pdf
     June 12, 2013 - size ≥25 patients randomized per arm a Women with breast cancer are excluded. … RCTs = randomized controlled trials For nonhormone nonprescription/CAM therapies, any study design … size None RCTs = randomized controlled trials Table 6. … perspective here is that a qualitative appraisal of observational studies that scrutinizes both the design … Therefore study questions, design, and/or methodological approaches do not necessarily represent the

256. Template for Reports Developed (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/menopause_research-protocol.pdf
     March 25, 2012 - size ≥25 patients randomized per arm a Women with breast cancer are excluded. … size >250 a Longitudinal studies of colorectal, breast, or ovarian cancers; and fracture outcomes ( … RCTs = randomized controlled trials For nonhormone nonprescription/CAM therapies, any study design … perspective here is that a qualitative appraisal of observational studies that scrutinizes both the design … Therefore study questions, design, and/or methodological approaches do not necessarily represent the

257. Disposition of Comments for Pressure Ulcer Treatment Strategies: Comparative Effectiveness (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/pressure-ulcer-treatment_disposition-comments.pdf
     May 08, 2013 - size but we included them if they met the predefined inclusion criteria. … sizes, we felt it necessary to review and report on lower quality and smaller studies. … As mentioned by the reviewer, for most interventions, the number of studies and sample sizes were not … I don't agree that it is realistic to apply an arbitrary sample size of 50 subjects for singlecentre … sizes, more rigorous adherence to methodological standards for clinical trials, longer follow-up

258. Evidence Summary: CER 231 Care Interventions for People Living With Dementia and Their Caregivers (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/cer-231-dementia-interventions-evidence-summary_0.pdf
     August 01, 2020 - The vast majority of studies had small sample size, were pilots that had not undergone traditional efficacy … Dementia care research has been slow to incorporate key elements of rigorous intervention design.

259. Making Healthcare Safer IV Rapid Response_Active Surveillance Culturing of Clostridioides difficile and Multidrug-Resistant Organisms: Methicillin-Resistant Staphylococcus aureus, Carbapenem-Resistant Enterobacterales, and Candida auris (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/mhs4-active-infection-rapid-response.pdf
     May 01, 2024 - Sample sizes for surveillance of S. aureus transmission to monitor effectiveness and provide feedback … size; OR = odds ratio; PSP = patient safety practice; RR = risk ratio; US = United States … size; OR = odds ratio; PSP = patient safety practice; US = United States 38 … = confidence interval; CRE = Carbapenem-resistant enterobacterales; ICU = intensive care unit; n = sample … size; OR = odds ratio; PSP = patient safety practice Pub.

260. PCA3 Testing in the Diagnosis and Management of Prostate Cancer: Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/prostate-cancer-antigen-3-gene_research.pdf
     April 01, 2013 - Study design evaluations for PCA3 research need 1, research questions 1.1–1.3 .......... 15 Table 4. … Study design evaluations for PCA3 research need 2, research question 2.1: What information does PCA3 … Study design evaluations for PCA3 research need 1, research question 2.2: Does the addition of PCA3 … Research Question Development and Study Design Considerations Research questions for each research … Study design evaluations for PCA3 Research Need 1, Research Questions 1.1–1.3 Study Design Considerations