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Showing results for "sample".

81. Draft Report - Pharmacologic and Nonpharmacologic Treatments for Posttraumatic Stress Disorder: An Update of the Evidence Base for the PTSD Trials Standardized Data Repository (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd4-update-draft-report.pdf
    October 01, 2022 - The newly added studies had sample sizes ranging from 20 to 916, with most studies having a sample size … The median sample size was 55 (interquartile range [IQR] 30 to 100). … Table 3 provides study and sample characteristics. … Summary of newly included studies: study and sample characteristics Author, Year Study Class Sample … The median sample size was 59 (IQR 30 to 118) and most studies (56%) had sample sizes between 25 and

82. Update Topic CER 31 Clostridium difficile NSD FINAL (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/c-diff-infections-nomination-140925.pdf
    February 19, 2014 - (a) Do the differences in performance measures vary with sample characteristics? … § Do the differences in performance measures vary with sample characteristics? § KQ 2.

83. Future Research Needs for Attention Deficit Hyperactivity Disorder: Effectiveness of Treatment in At-Risk Preschoolers, Long-Term Effectiveness in All Ages, and Variability in Prevalence, Diagnosis, and Treatment (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/adhd-future_research.pdf
    May 01, 2012 - Sample size is another important consideration in planning future research. … sample size issues after the detailed descriptions of each research need. … See the following section regarding sample size estimates. … See Table 3 in sample size section. … Each sample size was determined by generating 2,000 simulated datasets and identifying the minimum sample

84. Attention Deficit Hyperactivity Disorder: Diagnosis and Treatment in Children and Adolescents | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/attention-deficit-hyperactivity-disorder/draft-comments
    August 17, 2021 - comparison of diagnosis in primary care to diagnosis by a specialist Randomized controlled trials with sample … pharmacologic treatments approved by the FDA for the treatment of ADHD) Observational studies with sample … Given the large evidence base for comparative pharmacologic treatment studies in KQ2 we increased this sample … These sample size limits were seen as representing population study sizes that would be needed to substantially

85. S158 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s158.pdf
    October 01, 2007 - Validation study: representative sample of Medicare beneficiaries. … infarction was essentially the same before and after control for these additional covariates in the stage 2 sample … calibration Yes Yes Yes Validation study can be used to adjust multiple associations Yes (if random sample … files.41 External Validation Study The Medicare Current Beneficiary Survey (MCBS) is conducted on a sample … Two-stage case-control studies: precision of parameter estimates and considerations in selecting sample

86. S96 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/s96.pdf
    October 01, 2007 - NEISS-CADEs operates in 63 hospital EDs, selected as a stratified probability sample of all hospitals … in the United States and its territories with a minimum of 6 beds and a 24-hour ED.12,13 The sample … We used data collected from a convenience sample of 6 NEISS-CADES hospitals from January 1, 2004 to June … No pediatric specialty hospital was included in this sample. … The NEISS sample (design and implementation) 1997 to present.

87. Effectiveness of Isosorbide Dinitrate and Hydralazine in Racial/Ethnic Subgroups With Heart Failure | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/congestive-heart-failure-medicines/research
    March 31, 2010 - However, the effectiveness of H-ISDN in a community sample of African-Americans and other racial/ethnic … We excluded 366,249 patients (62% of the total) and took a random sample of 20% of Whites (excluding … Our sample was >98% male, limiting the generalizability of our findings to women. … We also excluded approximately 20% of our sample who lacked racial or ethnic identifiers, as well as … This large sample allowed us to evaluate outcomes in multiple subgroups.

88. Appendices (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/patient-clinician-level-strategies-appendixes-draft-tech-brief.pdf
    February 01, 2023 - included studies Study (PMID)  Study Design Study Setting Study Location (State) Sample … Academic D-4 Study (PMID)  Study Design Study Setting Study Location (State) Sample … No No D-10 Study (PMID)  Study Design Study Setting Study Location (State) Sample … No No D-13 Study (PMID)  Study Design Study Setting Study Location (State) Sample … education session plus leaflets and sample labels for self-assessment; 6 × 2 h weekly education

89. Template for Reports Developed (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/c-difficile-future_research.pdf
    October 26, 2012 - Generalizability will depend on population sample. … Multiple sites may be needed to reach adequate sample sizes. … Multiple sites may be needed to reach adequate sample sizes. … Generalizability will depend on population sample. … Multiple sites may be needed to reach adequate sample sizes.

90. Slide 1
    effectivehealthcare.ahrq.gov/sites/default/files/study-design-considerations-chapter-2.pptx
    January 01, 2013 - followed for incidence of outcomes Additional information required for analysis collected for a random sample … for analysis (e.g., blood levels, biologic materials for genetic analyses) is collected for a random sample … of the cohort and for all cases (note that the random sample may contain cases).

91. Attention Deficit Hyperactivity Disorder: Effectiveness of Treatment in At-risk Preschoolers; Long-term Effectiveness in All Ages; and Variability in Prevalence, Diagnosis, and Treatment | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/adhd/research-protocol
    August 10, 2010 - Sample size There are no restrictions for study sample size. … Prior to performing the data extraction, a calibration exercise will be conducted using a random sample … data will include study characteristics (e.g., first author, country of research origin, study design, sample … history of treatment(s), age of first diagnosis, etc), study outcomes (both of benefit and of harm), sample … explore the impact of key methodological study limitations, in particular 1) percent of withdrawals, 2) sample

92. Treatment of Dementia Among Community-Dwelling and Institutionalized Medicare Beneficiaries | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/dementia-databases-methods/research
    May 22, 2008 - LTC) and other characteristics of the sample (e.g., demographics). … Aripiprazole and clozapine were not used by anyone in the sample with ADRD. … Discussion This study used a large nationally representative sample of the Medicare population from … typically 5%-13% 5 , 21 , 22 The reliance on self-/proxy-reported or claims diagnosis limits our sample … Limiting our sample to only claims would restrict it to those who received medical attention over the

93. Appendices A-E (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/healthcare-system-appendixes-draft-technical-brief.pdf
    February 01, 2023 - Primarily of racial/ethnic minority adult group composition, with common chronic conditions ● Sample … No No No Government E-5 Study (PMID) Study Design Study Setting Study Location Sample … No No No Government E-6 Study (PMID) Study Design Study Setting Study Location Sample … the Positive No No E-7 Study (PMID) Study Design Study Setting Study Location Sample … No No No Foundation E-8 Study (PMID) Study Design Study Setting Study Location Sample

94. Engaging-Caregivers-Appendix-C (xls file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/engaging-caregivers-appendix-c.xlsx
    January 08, 2024 - nonrandomized studies Author, Year (Study Design) Did the Study Attempt To Enroll All (or a Random Sample

95. Systematic Review of Calcineurin Inhibitors for Kidney Transplant | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/calcineurin-inhibitor/research-protocol
    October 14, 2014 - for inclusion, but retrospective studies must use consecutive enrollment or enrollment of a random sample … Duplicate abstraction on a 10-percent random sample will be used to ensure accuracy. … detect the level of a substance, such as a therapeutic drug, in a biologic (usually blood or urine) sample … Sample of Search Strategy Table A-1. … Sample Risk of Bias Items ECRI Risk of Bias Item List for Controlled or Comparative Studies Were

96. Use of Evidence-Based Practice Center Comparative Effectiveness Reviews by Clinical Point-of-Care Tools | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/point-of-care/research
    April 30, 2014 - Methods We selected a sample of AHRQ EPC comparative effectiveness reviews, traced reports to publications

97. Methods Guide for Medical Test Reviews Chapter 12 (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-prognostic_methods.pdf
    July 01, 2012 - Did the sample represent patients that would be tested in clinical practice? 4. … Were the results externally validated using an independent sample or internally validated via boot strap … need to be noted.15 If the investigators fit a new prognostic test or prediction equation to the sample … data (test development sample) by using the data to define cutoff levels or model its relationships … Comparing the predictive values of diagnostic tests: sample size and analysis for paired study designs

98. Machine Learning Methods in Systematic Reviews: Identifying Quality Improvement Intervention Evaluations | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/machine-learning-quality/research
    September 21, 2012 - Machine Learning Methods in Systematic Reviews: Identifying Quality Improvement Intervention Evaluations Research Report September 21, 2012 Web Version [NLM Site] Download Main Document PDF 498.3 KB People using assistive technology may not be able to fully access information in these files. For additio…

99. Management of Renal Masses and Localized Renal Cell Carcinoma: Current State of the Evidence | Effective Health Care (EHC) Program
    effectivehealthcare.ahrq.gov/products/renal-cancer/clinician
    July 18, 2017 - low] Local recurrence-free survival 2 (217) Better results with RN, but all studies had a small sample

100. Management of Renal Masses and Localized Renal Cell Carcinoma: Current State of the Evidence (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/renal-cancer_clinician.pdf
     July 01, 2017 - NA ��� Local recurrence-free survival 2 (217) Better results with RN, but all studies had a small sample