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Showing results for "design sample size".

  1. hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2000.jsp
    January 01, 2000 - The NIS's large sample size enables analyses of rare conditions, such as congenital anomalies; uncommon … Detailed information on the design of the NIS is available in the year-specific special reports on Design … For more detailed descriptions of the sampling design, refer to the year-specific special reports Design … Agreement for the Nationwide Inpatient Sample (PDF file) /Special Reports Includes: Design
  2. www.ahrq.gov/sites/default/files/2024-05/berry2-report.pdf
    January 01, 2024 - Overall, we aimed for a sample size of 40 participants based on the general rule of thumb that saturation … sizes are needed to verify this. … Another concern with qualitative research is the small sample size. … Cockpit checklists: Concepts, design, and use. … Mason, M., Sample size and saturation in PhD studies using qualitative interviews.
  3. www.ahrq.gov/sites/default/files/wysiwyg/diagnostic/resources/issue-briefs/dxsafety-test-result-communication-apb.pdf
    July 01, 2024 - Adolescent Health, 69(6), 873-877 United States D: Cross-sectional P: Healthcare professionals (samplesize unknown) S: 7 adolescent health programs in academic medical centers Qualitative summary … Suppl 1), 1154- 1155 Canada D: Retrospective record review P: Patients with pathology results (samplesize not specified) S: Academic medical center Review of portal utilization data and access … size not specified but report states 10 interviews and 3 live observations) S: Not specified
  4. hcup-us.ahrq.gov/db/nation/neds/NEDS2010Introductionv3.pdf
    November 01, 2015 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … SAMPLING DESIGN OF THE NEDS Similar to the design of the Nationwide Inpatient Sample (NIS), the NEDS … A sample size of 20 percent was based on previous experience with similar research databases. … Collapsed categories used for strata with small sample sizes: (8) Trauma center level I or II, (9) Trauma … Collapsed categories used for strata with small sample sizes: (8) Metropolitan (large and small), (9
  5. hcup-us.ahrq.gov/db/nation/neds/NEDS2011Introduction01142014.pdf
    November 01, 2015 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … SAMPLING DESIGN OF THE NEDS Similar to the design of the Nationwide Inpatient Sample (NIS), the NEDS … A sample size of 20 percent was based on previous experience with similar research databases. … Collapsed categories used for strata with small sample sizes: (4) Nontrauma center or trauma center … Collapsed categories used for strata with small sample sizes: (7) Small metropolitan and micropolitan
  6. hcup-us.ahrq.gov/db/nation/neds/NEDS_Introduction_2009.pdf
    January 01, 2009 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis …  The HCUP Sampling Design tutorial is designed to help users learn how to account for sample design … A sample size of 20 percent was based on previous experience with similar research databases. … Collapsed categories used for strata with small sample sizes: (8) Trauma center level I or II, (9) Trauma … Collapsed categories used for strata with small sample sizes: (8) Metropolitan (large and small), (9
  7. hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
    January 01, 2019 - • The HCUP Sample Design tutorial is designed to help users learn how to account for sample 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. … and changes to the design over time
  8. meps.ahrq.gov/data_files/publications/mr24/mr24.shtml
    September 16, 2010 - previous panel represent the same time period and the pooling of the two rounds increases the samplesizes for estimation. … available for the combined sample are more comprehensive and refined due to the increased samplesize. … sizes large enough to generate reliable estimates.
  9. effectivehealthcare.ahrq.gov/sites/default/files/selecting-evidence.ppt
    January 01, 2010 - Precision Includes sample size, number of studies, and heterogeneity of effect sizes Reporting bias Extent … (II) Precision is the degree of certainty surrounding a result and is determined by sample size, number … Few studies have sufficient sample sizes or duration to adequately assess uncommon or long-term harms … size Defined threshold for risk of bias Study design restrictions (cohort and case-control) Specific … These criteria may include minimum duration of followup, minimum sample size, a defined threshold for
  10. effectivehealthcare.ahrq.gov/sites/default/files/related_files/selecting-evidence.ppt
    January 01, 2010 - Precision Includes sample size, number of studies, and heterogeneity of effect sizes Reporting bias Extent … (II) Precision is the degree of certainty surrounding a result and is determined by sample size, number … Few studies have sufficient sample sizes or duration to adequately assess uncommon or long-term harms … size Defined threshold for risk of bias Study design restrictions (cohort and case-control) Specific … These criteria may include minimum duration of followup, minimum sample size, a defined threshold for
  11. meps.ahrq.gov/data_stats/download_data/pufs/h173/h173doc.shtml
    December 01, 2016 - Health Interview Survey 2.6.3 Longitudinal Analysis 3.0 Survey Sample Information 3.1 Sample Design … The panel design of the survey, which includes 5 Rounds of interviews covering 2 full calendar years … Each annual MEPS-HC sample size is about 15,000 households. … design had a number of features. … Table 1 Sample Allocation Age categories Sample Size Females Sample Size Males Total
  12. www.ahrq.gov/sites/default/files/wysiwyg/policymakers/chipra/factsheets/chipra_1416-p006-1-ef.pdf
    March 01, 2016 - measure was developed at the level of the hospital and is appropriate for comparison when sufficient samplesize is available at the hospital, State, regional, and national levels, as well as by payer and provider … Caveats ● This measure may have small sample sizes when multiple stratifications are performed. … values, the median and interquartile range is particularly robust and therefore valid with smaller samplesizes.
  13. effectivehealthcare.ahrq.gov/sites/default/files/related_files/ptsd-6-protocol.pdf
    December 07, 2024 - .10,11,13-15 The PICOTS (Populations, Interventions, Comparators, Outcomes, Timing, Settings, Study Design … on study duration or length of follow up • Settings: o No limitation on study setting • Study Design … , year, setting, country, sample size, eligibility criteria, source(s) of funding, study characteristics … Characteristics of included studies, such as number of publications by year, study sample size, proportion … Study Design 7. Subscale/Symptom Cluster Data 8. Subgroup Analysis 9.
  14. hcup-us.ahrq.gov/db/nation/nis/NIS_2008_INTRODUCTION.pdf
    January 01, 2008 - The NIS' large sample size enables analyses of rare conditions, such as specific types of cancer; uncommon … The sampling design consisted of a stratified, single-stage cluster sample. … Hospital Sample Design Design Considerations The NIS is a stratified probability sample of hospitals … 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
  15. hcup-us.ahrq.gov/db/nation/nis/NIS_2007_INTRODUCTION.pdf
    January 01, 2007 - 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. … Hospital Sample Design Design Considerations The NIS is a stratified probability sample of hospitals … 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
  16. effectivehealthcare.ahrq.gov/sites/default/files/related_files/cystic-fibrosis-hgh_surveillance.pdf
    August 01, 2012 - In addition, the study was not published in a pivotal journal, and the sample size was not larger than … size Inclusion Criteria/Exclusio n Criteria Study Design/Intervention or Independent Variable … size Inclusion Criteria/Exclusio n Criteria Study Design/Intervention or Independent Variable … size Inclusion Criteria/Exclusio n Criteria Study Design/Intervention or Independent Variable … size Inclusion Criteria/Exclusio n Criteria Study Design/Intervention or Independent Variable
  17. hcup-us.ahrq.gov/reports/methods/2005_03_del_379.pdf
    January 01, 2005 - 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 … 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
  18. www.ahrq.gov/data/resources/index.html?page=4
    Its large sample size is ideal for developing national and regional estimates and enables analyses of … One of the most distinctive features of the NEDS is its large sample size, which allows for analysis
  19. www.ahrq.gov/sites/default/files/wysiwyg/research/findings/nhqrdr/2022qdr-datasources.pdf
    December 01, 2022 - The large sample size in the enables analyses of rare conditions, uncommon treatments, and special patient … Starting in 2010, funding permitted an increase in the sample size to allow measurement of EHR adoption … The sample size for the sample design starting in 2016 (and similar to the sample design coving 2006 … However, because the sample sizes for the NHQDR measures were relatively large (mostly a few millions … MEPS estimates are suppressed when they are based on sample sizes of fewer than 100, or when their relative
  20. www.ahrq.gov/sites/default/files/wysiwyg/cahps/surveys-guidance/cg/guidance-cg-cahps.pdf
    April 01, 2021 - To learn more about the minimum number of responses needed and the implications for sample size, refer … Calculating the Starting Sample Size The starting sample size you need to achieve the desired number … Sample Size Calculation: Individual Providers To have a sufficient number of responses for analysis … Assuming a response rate of 40 percent, you would need to start with a minimum sample size of 750. … sizes to be recommended for public reporting.