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  1. www.ahrq.gov/sites/default/files/wysiwyg/news/events/ahrq-research-summit/newman-toker-summit2016.pdf
    September 28, 2016 - Use of Data and Measurement in Improving Diagnostic Safety AHRQ Research Summit, September 28, 2016 Use of Data and Measurement in Improving Diagnostic Safety David E. Newman-Toker, MD PhD Associate Professor of Neurology Johns Hopkins University School of Medicine Johns Hopkins Bloomberg School of Public Heal…
  2. digital.ahrq.gov/2018-year-review/research-dissemination/conference-proceedings
    January 01, 2018 - Reaching Diverse Audiences Through Conference Proceedings AHRQ-funded researchers presented their work at a variety of health IT, medical, and other key conferences, such as the Annual Symposium for the American Medical Informatics Association (AMIA), AcademyHealth’s Annual Research Meet…
  3. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary19/colorectal-cancer-screening
    May 18, 2021 - Multiple rounds of one sample versus two sample faecal immunochemical test–based colorectal cancer screening … Attendance and diagnostic yield of repeated two-sample faecal immunochemical test screening for colorectal … Screening test (sample … cancers as 1-time colonoscopy or flexible sigmoidoscopy; FIT can detect more cancers than Hemoccult II; 2-sample … FIT does not appear superior to 1-sample FIT; and no statistically significant differences in cancer
  4. www.ahrq.gov/sites/default/files/wysiwyg/research/findings/nhqrdr/qdr-mental-health-data-spotlight.pdf
    July 01, 2024 - Note: Sample sizes for the subpopulations of American Indian/Alaska Native and Native Hawaiian/Pacific … Healthcare Research and Quality, Healthcare Cost and Utilization Project, Nationwide Emergency Department Sample … Healthcare Research and Quality, Healthcare Cost and Utilization Project, Nationwide Emergency Department Sample … Note: Sample size for Native Hawaiian/Pacific Islander females was too small to produce statistically
  5. www.ahrq.gov/sites/default/files/wysiwyg/cahps/cahps-database/2025-child-hcahps-chartbook.pdf
    January 01, 2025 - that voluntarily contribute data to the CAHPS Database are not from a statistically representative sample … This information gives readers an opportunity to understand more about the sample. … Sample Calculation of Top Box and Proportional Scores for Child HCAHPS Measures Items in Composite … Sample Calculation of Top Box and Proportional Scores for Child HCAHPS Measures Items in Composite
  6. www.ahrq.gov/sites/default/files/2024-07/zhou-report.pdf
    January 01, 2024 - because allergy information is not contained in all clinical notes, we used a stratified convenience sample … i.e., structured allergy lists) data were obtained from Partners’ ambulatory EHR system for a random sample … To assess this, we collected a random sample of patient notes written in 2013 and 2014 from the Partners … external validation of MTERMS’s performance when identifying food allergen terms, using a randomized sample
  7. digital.ahrq.gov/sites/default/files/docs/citation/r01hs022728-zhou-final-report-2018.pdf
    January 01, 2018 - because allergy information is not contained in all clinical notes, we used a stratified convenience sample … i.e., structured allergy lists) data was obtained from Partners’ ambulatory EHR system for a random sample … To assess this, we collected a random sample of patient notes written in 2013 and 2014 from the Partners … external validation of MTERMS’s performance when identifying food allergen terms, using a randomized sample
  8. www.ahrq.gov/sites/default/files/2024-05/wendel-hummell-report.pdf
    January 01, 2024 - Sample Demographic characteristics of consumer, worker, and family caregiver interview and survey participants … The final sample sizes were 78 interviews (consumers=27, DSWs=15, family caregivers=14, combined consumer … We were able to identify and remove scam surveys from the sample, but this was labor intensive, so we … Structured Abstract Purpose Scope Methods Study Design Recruitment and data collection Data analysis Sample
  9. cdsic.ahrq.gov/sites/default/files/2025-09/For%20508%20Approval_MO%20Level%203%20Respondent%20Burden%20Report%208.21.25.pdf
    January 01, 2025 - Computerized Adaptive Testing (CAT) when available and appropriate - Include graphics in surveys - Provide sample … Computerized Adaptive Testing (CAT) when available and appropriate - Include graphics in surveys - Provide sample … symptoms and report more accurately.12 Finally, researchers and health systems may consider adding sample … that can help familiarize patients who are new to data collection procedures or response methods.37 Sample … There is precedent for providing sample questions in patient measurement tools; examples of tools that
  10. digital.ahrq.gov/sites/default/files/For%20508%20Approval_MO%20Level%203%20Respondent%20Burden%20Report%208.21.25.pdf
    September 01, 2025 - Computerized Adaptive Testing (CAT) when available and appropriate - Include graphics in surveys - Provide sample … Computerized Adaptive Testing (CAT) when available and appropriate - Include graphics in surveys - Provide sample … symptoms and report more accurately.12 Finally, researchers and health systems may consider adding sample … that can help familiarize patients who are new to data collection procedures or response methods.37 Sample … There is precedent for providing sample questions in patient measurement tools; examples of tools that
  11. effectivehealthcare.ahrq.gov/sites/default/files/related_files/obesity-child_executive.pdf
    March 31, 2010 - We did not exclude studies based on study sample size (Table A). … One reason for the nonsignificant effect on weight outcomes might have been that the sample sizes were … There are many differences across studies in term of settings, design, sample size and characteristics … However, due to the limited sample size, we could not conduct further stratifications to explore the … Studies With High Statistical Power We need more studies with large sample sizes and adequate length
  12. digital.ahrq.gov/sites/default/files/docs/publication/r18hs017010-bailey-final-report-2011.pdf
    January 01, 2011 - A pharmacist reviewed the charts of a random sample of 392 patients. … We determined a sample of 392 patients would provide an ADE incidence of 15.7 +/-3.2 with 95% confidence … The sample was randomly selected from the study population, stratified by patient condition. … For the chart review sample of patients, the automated method took a total review time of 66.7 hours … gold standard, the PPV of automated system signals for ADEs, as defined in this study, in a random sample
  13. effectivehealthcare.ahrq.gov/sites/default/files/related_files/hepatitis-c-treatment-adherence_executive.pdf
    September 22, 2011 - setting and approach; inclusion/exclusion criteria; demographic and health characteristics of the sample … Six primarily poor-quality studies had sample sizes less than 50,28,31,34-37 while three poor- or fair-quality … The six included RCTs were rated as primarily poor quality, with small sample sizes (21–250). … 1,560), the remaining cohort studies had serious methodological limitations and generally had small sample … The included studies were generally small in sample size and of suboptimal quality (e.g., failure to
  14. www.uspreventiveservicestaskforce.org/home/getfilebytoken/CW23r2jqogvTG2_-kBjRxH
    January 01, 2007 - In the LRC sample, TC levels increased from birth and stabilized at approximately 2 years of age. … 75th percentile), and specificities were 93% (LRC defined) and 87% (sample defined).34 A TC > 215 … Response rates, representativeness of the 32 sample, and stability of lipid and lipoprotein … Response rates, representativeness of the sample, and stability of lipid and lipoprotein levels. … Body mass index as a predictor of systolic blood pressure in a multiracial sample of US schoolchildren
  15. www.ahrq.gov/sites/default/files/wysiwyg/cahps/news-and-events/events/webinars/cahps-moving-forward-webcast.pdf
    October 01, 2017 - In addition, hour-long interviews were conducted with a sub-sample of participants. … So it would take a much larger sample of patients with specific visits or specific recall intervals to … is framed in terms of validity, but I think it actually may be reliability, and that's related to sample … Ron Hays We have guidance on every survey that will say the sample size needed to achieve different
  16. effectivehealthcare.ahrq.gov/sites/default/files/pdf/cancer-anemia-update_research-protocol.pdf
    June 16, 2010 - Background and Objectives for the Systematic Review Objective Shekelle et al.1 reviewed a sampleSample size and extent of missing data will be extracted. … • Patients: sampling, exclusion criteria, sample size, baseline characteristics, similarity of … using the following rules: • We will use the most complete data sets (i.e., those with the largest sample
  17. www.ahrq.gov/research/findings/final-reports/ssi/ssiapd.html
    April 01, 2018 - Improving the Measurement of Surgical Site Infection Risk Stratification/Outcome Detection Appendix D. Mapping ICD9 and CPT Codes Previous Page Next Page Table of Contents Improving the Measurement of Surgical Site Infection Risk Stratification/Outcome Detection Executive Summary Chapter 1. Admi…
  18. meps.ahrq.gov/mepsweb/survey_comp/survey.jsp
    July 18, 2025 - Medical Expenditure Panel Survey Survey Questionnaires   Skip to main content An official website of the Department of Health & Human Services More Back …
  19. meps.ahrq.gov/survey_comp/survey.jsp
    July 18, 2025 - Medical Expenditure Panel Survey Survey Questionnaires   Skip to main content An official website of the Department of Health & Human Services More Back …
  20. www.uspreventiveservicestaskforce.org/home/getfilebytoken/38JVCyPEw7CNrmZN6twpM6
    July 01, 2021 - Assessment of best single sample for finding chlamydia in women with and without symptoms: a diagnostic … The “3 in 1” study: pooling self-taken pharyngeal, urethral, and rectal samples into a single sample