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Total Results: 1,699 records

Showing results for "sample".

421. Attention Deficit Hyperactivity Disorder: Executive Summary (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/adhd_executive.pdf
     October 01, 2011 - preschool attention­deficit/hyperactivity disorder: a randomized, controlled trial with a community sample … XR.63,65 Concerns about exacerbation of tics with stimulants appear to be unfounded, although the sample … On the other hand, the size and representativeness of the sample populations offer compensatory advantages … preschool attention­ deficit/hyperactivity disorder: a randomized, controlled trial with a community sample … Prevalence, recognition, and treatment of attention­ deficit/hyperactivity disorder in a national sample

422. Infectious Disease Including HIV/AIDS #09 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/infectious-disease-horizon-scan-high-impact-1412.pdf
     December 22, 2014 - mutations in the majority of rifampicin-resistant TB strains.96 In the assay, TB DNA in the patient sample … signal given from the probes.95 To perform the test, a technician first treats a patient sputum sample … In the per-sample analysis, Xpert displayed a similar sensitivity to culture methods and detected three … .108,109 The recommended diagnostic procedure for laboratory confirmation of TB is to obtain a sputum sample … from the patient and test the sample simultaneously with a nucleic acid amplification test, an acid

423. Infectious Disease Including HIV/AIDS #09 (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/infectious-disease-horizon-scan-high-impact-1506.pdf
     December 01, 2015 - mutations in the majority of rifampicin-resistant TB strains.108 In the assay, TB DNA in the patient sample … signal given from the probes.107 To perform the test, a technician first treats a patient sputum sample … In the per-sample analysis, Xpert displayed a similar sensitivity to culture methods and detected three … .122,123 The recommended diagnostic procedure for laboratory confirmation of TB is to obtain a sputum sample … from the patient and test the sample simultaneously with a nucleic acid amplification test, an acid

424. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/cad-women-diagnosis_research-protocol.pdf
     June 06, 2011 - systemic fibrosis, anaphylaxis, and arrhythmias—and how these events vary by demographic factors Sample … size We will not exclude articles based on sample size during the full-text screening but may revisit … Before use, the abstraction form templates will be pilot tested with a sample of included articles to … This subset of patients is not a completely random sample because angiography-based verification of

425. Transparency of Reporting Requirements: Effectiveness of Treatments Options for the Prevention of Complications and Treatment of Symptoms of Diabetic Peripheral Neuropathy (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/transparency-neuropathy_research-protocol.pdf
     September 01, 2016 - Reasons for delays (if any) Population Total enrollment, sample size in each arm, drop-outs Participants … • Comparison of prespecified statistical plan • Sample sizes, total and per arm.

426. Statistical Design and Analytic Considerations for N-of-1 Trials (Chapter 4) | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/n-1-trials/research-2014-1
     August 01, 2019 - is involved in an n-of-1 trial, the number of measurements taken on each individual determines the sample … Larger sample sizes can be achieved by increasing the number of treatment periods, increasing the length … Multiple-subject designs increase the complexity of sample size choices, because they permit manipulation … paired-time periods, study precision is M/(τ 2 + 2σ 2 /N), which provides a way to calculate the tradeoff in sample … Recall that the posterior mean is an average of the sample mean and the prior mean.

427. Mental Health and Occupational Stress in the Emergency Medical Service and 911 Workforce: A Systematic Review | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/ems-911-workforce-mental-health/protocol
     January 01, 2024 - We will not restrict by sample size or study quality. … Key Questions and Study Eligibility Criteria No sample size restriction For Key Question … No sample size restriction will apply to studies of 911 populations.   … Because KQ 1 is largely about epidemiology (incidence, prevalence, and severity), a sample size restriction

428. Genitourinary Syndrome of Menopause: A Systematic Review | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/genitourinary-syndrome/research
     January 01, 2025 - trials did not provide adequate statistical reporting) Downgraded one level for imprecision (total sample … level for imprecision (SD crosses no-effect threshold) Downgraded two levels for imprecision (total sample … =5) * Mind and Body Practices (n=8) * Natural Products (n=45) * Pharmaceutical (n=6) * Total (n=64) Sample … Harms reporting was limited by sample sizes and short followup duration though most studies did not find

429. Long-Term Care for Older Adults Disposition of Comments Report (pdf file)
     effectivehealthcare-admin.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. … A summary statement was added to the tables on sample characteristics to help with interpretation. … A summary statement was added to the tables on sample characteristics to help with interpretation.

430. Communication and Dissemination Strategies To Facilitate the Use of Health-Related Evidence (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/medical-evidence-communication_executive.pdf
     November 01, 2013 - Sample sizes ranged from 174 participants to 5,500 participants. … Sample sizes ranged from 114 participants to 3,293 participants. … Sample sizes ranged from 120 participants to 2,944 participants. … used convenience samples, so unmeasured confounding may exist because of selection bias with the sample

431. Interventions to Improve Appropriate Antibiotic Use for Acute Respiratory Tract Infections | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/products/antibiotics-respiratory-infection/research-protocol
     December 01, 2020 - , system-level characteristics, or the source of the resistance data (i.e., population versus study sample … No sample size limits will be applied. … Multiple strategies were developed, a sample MEDLINE search strategy appears in the Appendix. … : Definition of appropriateness Antibiotic resistance: Data source (i.e., population versus study sample … Appendix Sample Ovid MEDLINE® search strategy Database: Ovid MEDLINE(R) and Ovid OLDMEDLINE(R) (1946

432. Tonsillitis | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/health-topics/tonsillitis
     For both tests, the provider uses a cotton swab to collect a sample of fluids from your child's tonsils

433. Vaginitis | Effective Health Care (EHC) Program
     effectivehealthcare-admin.ahrq.gov/health-topics/vaginitis
     Do a pelvic exam Look for vaginal discharge, noting its color, qualities, and any odor Study a sample

434. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/genitourinary-symptoms-protocol_0.pdf
     July 10, 2023 - prospective observational studies with concurrent comparison group and analytic techniques to control for sample … prospective observational studies with concurrent comparison group and analytic techniques to control for sample … prospective observational studies with concurrent comparison group and analytic techniques to control for sample … subject inclusion and exclusion criteria, intervention and control 10 characteristics, sample

435. AHRQ Slide Template 2009 (ppt file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/data-extraction.ppt
     January 01, 2009 - Common Problems Encountered When Creating Data Extraction Forms (Evidence Tables) (II) Sample Fields … Sample Fields From a Table Guidance Document: Vanderbilt University Evidence-based Center These are examples

436. Acs-Pci-Adjunctive-Devices Research-Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/acs-pci-adjunctive-devices_research-protocol.pdf
     July 01, 2010 - that enrolled <500 subjects will be excluded, since numerous RCTs already exist within this smaller sample … Observational studies will be assessed for sample size, participant selection method, exposure measurement … duration with clinically relevant treatment modalities, assessed adverse events, had an adequate sample

437. Evidence-based Practice Center Systematic Review Protocol (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/ace-inhibitor-arb-update_research-protocol.pdf
     May 07, 2010 - 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 … A sample data abstraction form and additional guidance on assessing quality and applicability from our

438. Surveillance & Identification of Triggers for Updating Systematic Reviews for the EHC Program (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/head-neck-cancer_surveillance.pdf
     August 01, 2012 - The sample size of the studies ranged from 336 to 1613. 9 The included studies compared conventional … reported proportions of patients in each treatment group with the outcome and a p-value), and small sample … The single randomized, controlled trial had too small of a sample size and too short of a follow up … Or 2) a trial not published in the above top 5 journals but have a sample size of at least triple the … The single randomized, controlled trial had too small of a sample size and too short of a followup

439. Traumatic-Brain-Injury-Rehabilitation Executive (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/related_files/traumatic-brain-injury-rehabilitation_executive.pdf
     June 01, 2012 - Sample sizes for the eight studies ranged from 36 to 366. … no change, or negative change in community integration based on psychometric data from a previous sample … For example, the data collected about patients, injuries, and interventions from larger sample sizes … Studies with much larger sample sizes, enhanced applicability, and rich data to answer the question … First, related to larger sample sizes, studies must be appropriately powered to detect differences between

440. GRADING THE STRENGTH OF A BODY OF EVIDENCE (pdf file)
     effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-grading-evidence_methods.pdf
     November 01, 2013 - It is based on the potential for random error evaluated through the sufficiency of sample size and, … EPCs can evaluate sufficiency of sample size relative to the optimal information size (OIS). … After assessing the adequacy of the sample size or events, EPCs must consider whether the potential … size across studies assessed at risk of reporting bias and the total number and sample size across … cPrecision: evidence sample size did not meet OIS; CI surrounding the risk ratio for one of the three