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Showing results for "design sample size".

  1. effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-1.pdf
    July 01, 2019 - recommended to explore variability: ► Clinical intervention ► Control condition ► Participants ► Study design … • Methodological heterogeneity relates to study methods (e.g., study design, measures, conduct). ► … D & E: Consider these high risk of bias situations when pooling a small number of studies: ► Small samplesizes: Results from small trials are less reliable even when risk of bias is low.6 − If sample sizessize increases; unreliable if too few studies • Cochrane’s Q and 𝝉𝝉𝟐𝟐: no standardized scale. •
  2. meps.ahrq.gov/mepsweb/survey_comp/ic_data_collection.jsp
    November 01, 2009 - Medical Expenditure Panel Survey Insurance Component Sample Design and Data Collection Process … XL   MEPS-IC Sample Design … Suggested Citation: MEPS-IC Sample Design and Data
  3. meps.ahrq.gov/data_files/publications/st518/stat518.shtml
    December 01, 2018 - sizes/unreliable estimates. … sizes/unreliable estimates. … sizes/unreliable estimates. … sizes/unreliable estimates. … sizes/unreliable estimates.
  4. digital.ahrq.gov/technology/text-messaging
    January 01, 2024 - and sample size considerations. … A flexible micro-randomized trial design and sample size considerations. … mobile application to increase physical activity among university students: Implications for future design … mobile application to increase physical activity among university students: Implications for future design … Engaging users in the design of an mHealth, text message-based intervention to increase physical activity
  5. meps.ahrq.gov/data_files/publications/st356/stat356.shtml
    February 01, 2012 - and topical emollients (topical antipsoriatics estimates are not included in this Brief due to small samplesize and the unreliability of the estimates). … References For a detailed description of the MEPS-HC survey design, sample design, and methods used … dollars) 198 37 225 99 16 83 27 * Topical antipsoriatics not included in figure due to small samplesize ** Estimate cannot be provided due to small sample size Source: Center for Financing, Access
  6. 2014-04 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2014-04.pdf
    January 01, 2014 - The sample size remains the same: 20 percent of discharges in the universe. … In our study, the overall sample size of 8 million was chosen for conformance with the current NIS design … so that sample size could be ruled out as a factor in comparing the performance among the alternative … An important consideration in reviewing these results is that the sample sizes vary substantially across … Consequently, RME estimates vary across DRGs in part because of the varying sample sizes.
  7. hcup-us.ahrq.gov/db/nation/nis/reports/NISRedesignFinalReport040914.pdf
    June 11, 2014 - The sample size remains the same: 20 percent of discharges in the universe. … In our study, the overall sample size of 8 million was chosen for conformance with the current NIS design … so that sample size could be ruled out as a factor in comparing the performance among the alternative … An important consideration in reviewing these results is that the sample sizes vary substantially across … Consequently, RME estimates vary across DRGs in part because of the varying sample sizes.
  8. digital.ahrq.gov/sites/default/files/docs/page/guide-to-evaluating-hie-projects-section-4.pdf
    June 16, 2021 - often depends on the minimal sample size you need. … You should become familiar with how to determine sample sizes, particularly if you have chosen to include … Large sample size requirements might lead you to exclude certain measures from consideration. … Appendix D offers an example to illustrate the importance of sample size. … Data Collection Plan (Including Power/Sample Size Calculation for Quantitative Measures) e.
  9. www.ahrq.gov/sites/default/files/wysiwyg/research/findings/making-healthcare-safer/mhs3/venous-thromboembolism-1.pdf
    March 01, 2020 - Author, Year Description of Patient Safety Practice Study Design; Sample Size; Patient Population … ; Sample Size; Patient Population Setting Outcomes: Benefits Outcomes: Harms Implementation … ; Sample Size; Patient Population Setting Outcomes: Benefits Outcomes: Harms Implementation … ; Sample Size; Patient Population Setting Outcomes: Benefits Outcomes: Harms Implementation … ; Sample Size; Patient Population Setting Outcomes: Benefits Outcomes: Harms Implementation
  10. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2006.jsp
    January 01, 2006 - The NIS’ large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … The sampling design consisted of a stratified, single-stage cluster sample. … Return to Introduction Hospital Sample Design Design Considerations The NIS is a stratified … This sample size was determined by AHRQ based on their experience with similar research databases. … While this approach was admittedly less efficient, the extremely large sample sizes yield reliable estimates
  11. hcup-us.ahrq.gov/db/nation/nass/NASS_Introduction_2016.jsp
    January 01, 2016 - The HCUP Sample Design tutorial is designed to help users learn how to account for sample design in … The tutorial will be updated in the future to directly address the NASS sampling design. … estimates ( encounter universe ), tabulated in strata used in the sampling design. … Examine the strata with deficient ratios or sample sizes. … The NASS sampling design consists of a stratified, single-stage cluster sample.
  12. digital.ahrq.gov/sites/default/files/docs/publication/r01hs015234-thomas-final-report-2008.pdf
    January 01, 2008 - Sample Size Determination. … The required sample size ranged from 1622 to 4732 depending on different assumptions about cluster size … The final sample size was 4142 patients, which had 80% power to detect a reduction from 10.5% to 7.8% … Post tele- ICU sampling then continued until the requisite sample size was collected. … The time required to collect its sample size thus varied from hospital to hospital depending upon the
  13. www.ahrq.gov/patient-safety/quality-resources/tools/chtoolbx/measures/measure-4.html
    November 01, 2017 - Databases Service Delivery and Units of Analysis Length-of-Enrollment Requirements Data Issues SampleSizes Resource and Burden Issues Development Process Criteria Used More Information and User … encounter or claims data, go to: http://www.ahrq.gov/chtoolbx/develop.htm#encounter Return to Contents SampleSizes HEDIS requires samples or groups large enough to produce statistically reliable results.
  14. www.ahrq.gov/sites/default/files/wysiwyg/research/findings/making-healthcare-safer/mhs3/infusion-pumps-1.pdf
    March 01, 2020 - Author, Year Description of Patient Safety Practice Study Design; Sample Size; Patient Population … ; Sample Size; Patient Population Setting Outcomes: Benefits Outcomes: Harms Implementation Themes … ; Sample Size; Patient Population Setting Outcomes: Benefits Outcomes: Harms Implementation Themes … ; Sample Size; Patient Population Setting Outcomes: Benefits Outcomes: Harms Implementation Themes … Author, Year Description of Patient Safety Practice Study Design; Sample Size; Patient Population
  15. meps.ahrq.gov/mepsweb/survey_comp/mpc.jsp
    August 23, 2017 - Forms Glossary of terms used in MPC survey questionnaires (PDF, 706 KB)   HTML MEPS-MPC Sample Design … and Data Collection Process MPC Data Collection Schedule Sample sizes Response rates Data
  16. datatools.ahrq.gov/meps-ic/technical-notes-and-survey-documentation/
    January 01, 2020 - rotated the samples in the 20 least populated States to insure that every State received an adequate samplesize to make State-level estimates at least once every four years. … The metropolitan statistical areas with a sufficient sample size to support reliable estimates with the … These probabilities vary among establishments and assure that the sample sizes in each stratum are equal … size after nonresponse in stratum h , x hi is the value of a survey variable for establishment i
  17. hcup-us.ahrq.gov/db/nation/nis/reports/2003niscomparisonrpt.jsp
    May 01, 2016 - One of the most distinctive features of the NIS is that its large sample size allows for the study of … Although the smaller sample size rendered NHDS estimates less precise than NIS estimates, the complete … Because of the limited sample size, valid estimates were not available for all breakdowns of the NHDS … We must emphasize that the NIS provides a large sample size that tends to yield estimates with much smaller … Because NIS estimates have greater precision – the result of the large sample size – it may be preferred
  18. www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan15/depression-in-children-and-adolescents-screening
    September 15, 2013 - size ≥1,000 Retrospective cohort studies with sample size ≥1,000 Criteria specific to … KQ 6: Prospective cohort studies with a sample size ≥1,000 Retrospective cohort … size <1,000 Retrospective cohort studies with a sample size <1,000 Criteria specific … to KQ 6: Prospective cohort studies with a sample size <1,000 Retrospective cohort … studies with a sample size <1,000 Language English Non-English Date
  19. hcup-us.ahrq.gov/db/nation/nis/reports/2002niscomparisonrpt.jsp
    June 01, 2016 - Although the smaller sample size rendered NHDS estimates less precise than NIS estimates, the complete … Because of the limited sample size, valid estimates were not available for all breakdowns of the NHDS … We must emphasize that the NIS provides a large sample size that tends to yield estimates with much smaller … Because NIS estimates have greater precision � the result of the large sample size � it may be preferred … Where a comprehensive geographic representation is more important than a large sample size, and the question
  20. meps.ahrq.gov/data_files/publications/mr28/mr28.shtml
    October 01, 2013 - Additional information on the sampling process can be found in Sample Design of the 2011 Medical Expenditure … development of the probabilities of selection is described in the MEPS Methodology Report: Sample Design … Before 2008, when the retrospective survey design was in place (survey questions asked about prior … However, due to the switch to the current year design, the single-unit business death information was … Sample Design of the 2011 Medical Expenditure Panel Survey Insurance Component .