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Showing results for "design sample size".

  1. Burn-Related Hospital Inpatient Stays and Emergency Department Visits, 2013 #217

    hcup-us.ahrq.gov/reports/statbriefs/sb217-Burn-Hospital-Stays-ED-Visits-2013.jsp
    December 01, 2016 - The redesign incorporates two critical changes: Revisions to the sample design—starting … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analyses … For a detailed description of HCUP and more information on the design of the National (Nationwide) Inpatient

  2. Statistical Brief #54: Hospital Stays Related to Asthma for Adults, 2005 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb54.pdf
    August 01, 2008 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate … Design of the HCUP Nationwide Inpatient Sample, 2005. Online. June 13, 2007. U.S.

  3. HCUP Statistical Brief #30: Hospital Stays for Prostate Cancer, 2004 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb30.pdf
    May 01, 2007 - For More Information For a detailed description of HCUP and more information on the design of the … Design of the HCUP Nationwide Inpatient Sample, 2004. Online. August 8, 2006. U.S.

  4. HCUP Statistical Brief #21: Sickle Cell Disease Patients in U.S. Hospitals, 2004 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb21.pdf
    December 01, 2006 - References For a detailed description of HCUP and more information on the design of the NIS and methods … Design of the HCUP Nationwide Inpatient Sample, 2004. Online. August 8, 2006. U.S.

  5. Revised Protocol - Opioids 12 13 13[1] (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/pdf/chronic-pain-opioid-treatment_research-protocol.pdf
    December 19, 2013 - , year, setting, country, sample size, eligibility criteria, population and clinical characteristics … They will have a serious or “fatal” flaw in design, analysis, or reporting; large amounts of missing … severity of pain, underlying pain condition, presence of medical and psychiatric co- morbidities); the sample … size of the studies; and clinical settings (e.g., primary care, specialty setting) and countries (e.g … Therefore study questions, design and/or methodological approaches do not necessarily represent the

  6. Chapter 6. Measure Maps and Profiles (continued, 16) | Agency for Healthcare Research and Quality

    www.ahrq.gov/ncepcr/care/coordination/atlas/chapter6o.html
    June 01, 2014 - Physician-level reliability was also established with a sample size of 45 patients per physician. 2 … The minimum sample size required for medical groups to provide a reliable and stable estimate of self-management

  7. Efforts To Improve Patient Safety Result in 1.3 Million Fewer Patient Harms | Agency for Healthcare Research and Quality

    www.ahrq.gov/hai/pfp/interimhacrate2013.html
    November 01, 2015 - estimates of the change in the HAC rate from 2010 to 2013 are unbiased. 11 We also have a relatively large sample … size. … The independent evaluator of the PfP has a comprehensive evaluation design in place that will work to

  8. Emergency Department Visits Related to Suicidal Ideation or Suicide Attempt, 2008-2017 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb263-Suicide-ED-Visits-2008-2017.pdf
    January 01, 2017 - Because of the large sample size of the HCUP data, small differences can be statistically significant … The unweighted sample size for the 2008 NEDS is 28,447,148 (weighted, this represents 124,945,264 ED … The unweighted sample size for the 2017 NEDS is 33,506,645 (weighted, this represents 144,814,803 ED … For a detailed description of HCUP and more information on the design of the Nationwide Emergency Department

  9. Research Protocol: Breast Reconstruction After Mastectomy (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/pdf/breast-reconstruction-mastectomy-protocol.pdf
    April 09, 2020 - the remaining 19 percent of patients receive AR.4 IBR can be further divided based on the physical design … versus no chemotherapy Timing • Any Setting • Any, including single- and multicenter Design … Timing • Any Page 13 of 24 Setting • Any, including single- and multicenter Design … there are no eligible citations identified in a consecutive sample of 370 consecutive citations (this sample … size chosen because the upper 97.5% confidence interval bound for a proportion of 0/370 is less than

  10. TRial of Aggregate Data Exchange for Maintenance of certification and Raising Quality (TRADEMaRQ) - Final Report (pdf file)

    digital.ahrq.gov/sites/default/files/docs/citation/r21hs022583-phillips-final-report-2018.pdf
    January 01, 2018 - Methods: Study design TradeMarq was a practice level cluster randomized trial.

  11. Cell-Free-Dna-Appendix-C-Prepub-Final (xls file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/cell-free-dna-appendix-c-prepub-final.xlsx
    January 01, 2025 - History of Cancer Other Relevant Population Characteristics Control Population Description Total Study Sample … Size Enrolled at Baseline Cancer Confirmation With Tissue/Specimen Diagnosis Followup Length (In Diagnostic … Salat, 2022 No No Yes High concerns Case-control design using a convenience sample. … Were all restrictions in eligibility criteria based on study characteristics appropriate (e.g., date, sample … size, study quality, outcomes measured)?

  12. Cell-Free-Dna-Final-App-C (xls file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/cell-free-dna-final-app-c.xlsx
    January 01, 2025 - History of Cancer Other Relevant Population Characteristics Control Population Description Total Study Sample … Size Enrolled at Baseline Cancer Confirmation With Tissue/Specimen Diagnosis Followup Length (In Diagnostic … Salat, 2022 No No Yes High concerns Case-control design using a convenience sample. … Were all restrictions in eligibility criteria based on study characteristics appropriate (e.g., date, sample … size, study quality, outcomes measured)?

  13. Potentially Preventable Pediatric Hospital Inpatient Stays for Asthma and Diabetes, 2003-2012 #192

    hcup-us.ahrq.gov/reports/statbriefs/sb192-Pediatric-Preventable-Hospitalizations-Asthma-Diabetes.jsp
    June 01, 2015 - We did not use the 2012 National Inpatient Sample (NIS) because the sampling design and universe definition … The redesign incorporates two critical changes: Revisions to the sample design—starting … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … Hospitals, 2011 For a detailed description of HCUP, more information on the design of the National

  14. eHealth Blood Pressure Control Program (eHealth BP) - Final Report (pdf file)

    digital.ahrq.gov/sites/default/files/docs/publication/r21hs018238-eaton-final-report-2012.pdf
    January 01, 2012 - Nine-month eHealth BP Home Blood Pressure Monitoring Study Design. … 12) 66.7 72.7 Change in % before and after Web +12.8 +18.2 Based upon these data, we performed a sample … size calculation for α=.05, ß=.80, and determined we would need 96 individuals in each arm for a simple … previously uncontrolled at levels consistent with other studies of HBPM and case management but the small sample … size and quasi-experimental design require a larger more rigorous study design to test effectiveness

  15. Observational Audits (pdf file)

    www.ahrq.gov/sites/default/files/wysiwyg/nursing-home/materials/observational-audits.pdf
    March 01, 2021 - Be realistic and commit to a weekly sample size that is achievable, yet adequate to provide useful

  16. Integrating Stakeholder Preferences in Comparative Effectiveness Research: Potential Uses of Multi-Criteria Decision Analysis Techniques (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/mcda_webinar_transcript2.pdf
    August 27, 2012 - sizes for MCDA? … We don’t need any sample sizes here. … In general, sample size has to do with the precision of the estimate score, the weights, and I am not … That determines the sample size. … JOHNSON: Can I very quickly followup on a question that was asked earlier on sample size, how many

  17. Implementation Quick Start Guide: Medication Management (Half-Page) (pdf file)

    www.ahrq.gov/sites/default/files/wysiwyg/professionals/quality-patient-safety/patient-family-engagement/pfeprimarycare/medmanage_quickstartbrochure.pdf
    December 15, 2016 - Implementation Quick Start Guide: Medication Management (Half-Page) Implementation Quick Start Guide Medication Management The Guide to Improving Patient Safety in Primary Care Settings by Engaging Patients and Families Table of Contents What Is the Medication Management Strategy? ...................1 W…

  18. Trends in Hospitalizations With a Red Blood Cell Transfusion, 2000-2013 (pdf file)

    hcup-us.ahrq.gov/reports/statbriefs/sb215-Red-Blood-Cell-Transfusions-Trends.pdf
    October 01, 2016 - The redesign incorporates two critical changes: • Revisions to the sample design—starting with 2012 … by reducing sampling error: for many estimates, confidence intervals under the new design are about … half the length of confidence intervals under the previous design. … The change in sample design for 2012 necessitates recomputation of prior years' NIS data to enable analysis … For a detailed description of HCUP and more information on the design of the National (Nationwide) Inpatient

  19. Appendicitis Research-Protocol (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/pdf/appendicitis_research-protocol.pdf
    December 09, 2013 - because our preliminary searches indicate that non–English- language studies are few and have small sample … sizes; as such, they are unlikely to affect our conclusions. … of diagnostic tests and will include elements that address population characteristics, sample size, … study design, descriptions of the index and reference standard tests of interest, analytic details, … Studies of different designs will be graded within the context of their study design.

  20. Disposition of Comments_Comparative Effectiveness Review No. 272_Genitourinary Syndrome of Menopause: A Systematic Review (pdf file)

    effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer-272-genitourinary-syndrome-disposition-comments.pdf
    July 31, 2024 - Shelton Nutrition Counselor, Emergence Functional Nutrition Alvin, TX General I agree that sample … size was not large enough, nor was duration of study long enough to determine harms. … captured this article and it was evaluated for eligibility, however it was excluded due to study design
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