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Total Results: 962 records

Showing results for "design sample size".

841. Weight-Gain-Prevention Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/weight-gain-prevention_executive.pdf
     January 01, 2020 - Type of study Included studies with any sample size from any calendar year that met all other criteria … Observational studies had to account for confounding and losses to followup in the design or analysis … excluded for this reason.41 Only one observational study was nested within a cohort whose original design … There are design and reporting considerations that should be considered for future studies. … Preventing weight gain in adults: design, methods and one year results from the Pound of Prevention

842. Systematic Review on Nonopioid Pharmacologic Treatments for Chronic Pain: Surveillance Report 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/surveillance-report-1-nonopioid-pharm-chronic-pain.pdf
     April 01, 2022 - Interventions.”4,5 The decision to update meta-analyses from the original report was based on the number and sample … sizes of new studies eligible for meta-analysis (meta-analysis performed if new evidence was large … population: 9 Ineligible intervention (includes comparator): 15 Ineligible outcome: 1 Ineligible study design … size, high attrition, and lack of intention-to-treat analysis. … (including comparator) 4 Ineligible population 5 Ineligible publication type 6 Ineligible study design

843. Disposition of Comments_Comparative Effectiveness Review No. 267: ADHD Diagnosis and Treatment in Children and Adolescents (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-267-adhd-disposition-comments.pdf
     March 25, 2024 - studies) and the SMD is recalculated, we would prefer to see the remaining number of studies and sample … size to be listed consistently to allow for the reader to better interpret the significance of the … the studies are RCTs while in other rows it simply states "studies" could a breakdown of the study design

844. Glaucoma-Treatment Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/glaucoma-treatment_executive.pdf
     April 01, 2012 - We searched the literature without imposed language, sample size, or date restrictions, but excluded … We also excluded case series of less than 100 subjects, as such small sample sizes are unable to capture … the available literature on glaucoma treatments, the field would benefit from more rigorous study design … The World Glaucoma Association publication Guidelines on Design and Reporting of Glaucoma Surgical … Guidelines on Design and Reporting of Glaucoma Surgical Trials.

845. Nppv-Respiratory-Failure Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/nppv-respiratory-failure_executive.pdf
     July 01, 2012 - outcomes, flexibility of the intervention and study duration, assessment of adverse effects, adequate sample … size for important health outcomes, and intention-to-treat approach to analyses. … For risk of bias we considered basic (e.g., RCT) and detailed study design (e.g., adequate randomization … Number of Studies (Subjects) Domains Pertaining to SOE Strength of Evidence Risk of Bias: Study Design … • Few studies had adequate sample sizes to address effects on length of stay.

846. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/stem-cell-children_research-protocol.pdf
     November 01, 2010 - • critical features of the study design o patient inclusion/exclusion criteria o number of participants … • Was there an attempt to balance groups by design? … Studies were of relatively poor quality by convention of their design (case reports, small case series … Therefore study questions, design and/or methodological approaches do not necessarily represent the

847. Mrsa-Screening-2010 Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/mrsa-screening-2010_executive.pdf
     January 01, 2010 - The Harbarth et al. study27 was a prospective interventional cohort study with crossover design of … All of the studies employed a quasi-experimental study design and were of poor quality. … The study by Rodriguez-Bano and colleagues31 utilized an interrupted time series design, as did the … an observational before/after design. … The cluster RCT is increasingly recognized as the optimal design for testing and evaluating the impact

848. FRN 30: Outpatient Case Management for Adults With Medical Illnesses and Complex Care Needs: Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/case-management-future_research.pdf
     June 01, 2015 - Research Design E1. … sizes (less than 500 participants per intervention arm). … • Incorporate large sample sizes (more power), e.g., large observational cohort studies, large trials … This is an exploratory approach that requires studies with diverse patients and large enough sample … sizes to allow valid subgroup analysis.

849. 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 - sizes overall than for the pain outcome. … Figure 2 illustrates the design of the simulated complete and partially missing data. … For simplicity, we assume that every study has sample size 100 and standard deviation of 2 for every … size and assumed standard deviation, and true values were somewhat arbitrarily selected. … sizes and standard deviations.

850. Identification and Treatment of Post-Acute Coronary Syndrome (ACS) Depression: A Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/acs-depression-research-protocol-amended.pdf
     February 15, 2017 - • Original peer-reviewed data • KQ 1: Observational studies, sample size ≥50 subjects • KQ 2: Randomized … controlled trials (RCTs), sample size ≥20 subjects Editorials, nonsystematic reviews, letters, … They had serious errors in design, analysis, or reporting; large amounts of missing information; or … Influence of trial sample size on treatment effect estimates: meta-epidemiological study. … Therefore study questions, design, and methodological approaches do not necessarily represent the views

851. DARTNet Summary Report (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/distributed-network-ambulatory-therapeutics_research.pdf
     July 01, 2009 - DARTNet Design Specifications B. … innovations that affect small populations (for which no single care delivery system would have a sufficient sample … size). … innovations that affect small populations (for which no single care delivery system would have a sufficient sample … size).

852. Long-Term Care for Older Adults Disposition of Comments Report (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/long-term-care-adults_disposition-comments.pdf
     November 07, 2012 - It would have been useful to have added the sample size and the period of the data collection to Tables … Sample size is a critical variable in determining the value of the study. … It is impossible to expect the reader to go back and forth between the design of the studies and the

853. Hypertension-Pulmonary-Arterial Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/hypertension-pulmonary-arterial_research-protocol.pdf
     January 30, 2013 - online: January 30, 2013 11 Study Characteristic Inclusion Criteria Exclusion Criteria Study design … DistillerSR data synthesis software program (Evidence Partners Inc., Manotick, ON, Canada).We will design … adverse events, in particular including those related to administration or monitoring of treatment; sample … size sufficient to assess minimally important differences from a patient perspective; and use of intention-to-treat-analysis … Therefore study questions, design and/or methodological approaches do not necessarily represent the

854. Protocol: Imaging for Pretreatment Staging of Small Cell Lung Cancer (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/lung-cancer-staging_research-protocol.pdf
     December 08, 2014 - the Review Our inclusion criteria are listed below in five categories: Publication criteria, study design … Study Design Criteria a. … This design permits a Source: www.effectivehealthcare.ahrq.gov Published online: December 8, 2014 … Elements to be abstracted include general study characteristics (e.g., country, setting, study design … This instrument was developed by ECRI Institute12 with respect to the impact of study design on bias

855. Migraine-Emergency Executive (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/migraine-emergency_executive.pdf
     November 01, 2012 - The search strategy did not employ any study design search filters, nor were language restrictions … Single trials, particularly those with small sample sizes, were graded as having insufficient strength … Sample sizes varied, with an overall median of 64 patients per study (interquartile range: 40 to 100 … A small number of studies and overall small sample sizes contributed to imprecision. … Equivalence claims would require considerably larger sample sizes and 95% CIs that do not include the

856. final Fibromyalgia CER protocol_3-31-14 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/fibromyalgia_research-protocol.pdf
     April 03, 2014 - studies will be assessed by two independent investigators using instruments specific to each study design … Moderate risk of bias may be assigned to large cohort studies with a sample size for adequate power … first four domains.56 Study limitations will be rated as low, moderate or high according to study design … Therefore study questions, design and/or methodological approaches do not necessarily represent the … Study design: prospective, retrospective or mixed?

857. Disposition of Comments Report for Procalcitonin-Guides Antibiotic Therapy (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer78_procalcitonin_disposition_20121210.pdf
     October 05, 2012 - The first two research gaps are straightforward although not easy studies to design. … But difficult to design and implement in the real world. … appropriately note that definitively determining a mortality difference would require a very large sample … size. … and standard therapy and have a confidence interval that is narrow would require a large sample size

858. Meditation Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/meditation_research-protocol.pdf
     October 17, 2012 - In a situation where double blinding may not be feasible, the burden of the design issues is higher … Furthermore, given the anticipated large number of trials that have moved to a more rigorous design … This review will also identify those areas in which there are inadequate evidence to inform the design … They had serious errors in design, analysis, or reporting; large amounts of missing information; or … Therefore study questions, design and/or methodological approaches do not necessarily represent the

859. Transparency of Reporting Requirements: Management of Infertility (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-infertility_research-protocol.pdf
     September 02, 2016 - For unmatched studies, we will conduct a manual match using the condition, intervention, sample size … record, we will abstract selected variables from the CT.gov record to determine whether key study design … Published online: September 2, 2016 3 • Number of study arms • Intervention description • Study design … interventions] Methods: Intervention 2 M/D/P [Assigned interventions] Methods: Comparators M/D/P [Study design

860. Evidence-based Practice Center Systematic Review Protocol: Depression in Children: Systematic Review (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/depression-childhood-protocol.pdf
     August 06, 2018 - Inpatient care, studies conducted in countries without a very high Human Development Index Study design … All other designs and studies using included designs that do not meet the sample size criterion … When studies with sample sizes of 1,000 or more participants are available for a given intervention … If large samples are not available, we plan to include studies with smaller sample sizes http://hdr.undp.org … Therefore, study questions, design, and methodological approaches do not necessarily represent the views