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Showing results for "design sample size".

  1. 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
  2. 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
  3. 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.
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. meps.ahrq.gov/data_files/publications/mr1/mr1.pdf
    December 31, 1997 - Methodology Report #1: Design and Methods of the Medical Expenditure Panel Survey Household Component … Every 5 years the HC sample size is increased. … Design and methods of the Medical Expenditure Panel Survey Household Component. … The MEPS design allows for the production of annual estimates for 2 calendar years. … Table 1 shows the study design of the 1996 and 1997 MEPS Household Components.
  10. 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.
  11. 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
  12. www.ahrq.gov/patient-safety/quality-resources/tools/chtoolbx/measures/measure-2.html
    November 01, 2017 - With survey data, the keys to usable results are: The right sample size. … Larger sample sizes may be required to get valid information on children with chronic conditions. … Online Resource: You can also consult the Survey Users Network for help with sample size questions. … Go to: https://www.ahrq.gov/cahps/index.html If used for HEDIS reporting, the sample size must yield
  13. 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
  14. 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.
  15. www.ahrq.gov/sites/default/files/wysiwyg/funding/training-grants/eric-roberts-draft-application.pdf
    May 19, 2021 - Harnessing quasi-experimental variation in the design of these subsidies and in state policies, this … arise from multiple hypothesis testing and comparisons across multiple eligibility thresholds.49 SampleSize & Power – Analyses will be performed on a cross-section of HRS respondents with linked Medicare … Sample Size & Power – Analyses for Aim 2 will be conducted on a panel of HRS respondents with linked … Sample Size & Power – Analyses will be conducted in a cohort of HRS Medicare beneficiaries enrolled in
  16. 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
  17. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary51/low-dose-aspirin-use-for-the-prevention-of-morbidity-and-mortality-from-preeclampsia-preventive-medication-september-2014
    April 08, 2014 - Three of the 4 trials with lower mortality in the placebo group had sample sizes of 100 or fewer per … Analysis of the effect of dosage also was confounded by unequal distribution of sample sizes in different … Pooled analysis of preterm birth from trials of women at risk for preeclampsia, sorted by sample size … Pooled analysis of preeclampsia from trials of women at risk for preeclampsia, sorted by sample size. … Pooled analysis of perinatal mortality from all trials, sorted by sample size.
  18. hcup-us.ahrq.gov/db/nation/neds/NEDSIntroduction2021.pdf
    March 01, 2024 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis … The HCUP Sample Design tutorial is designed to help users learn how to account for sample design in … A sample size of 20 percent was based on previous experience with similar research databases. … sizes 4: Non-trauma or trauma center level III (beginning in the 2011 NEDS) 7: Trauma center level … sizes 6: Any urban-rural location (used in the South in 2014) 7: Small metropolitan and micropolitan
  19. 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
  20. www.ahrq.gov/sites/default/files/wysiwyg/sops/surveys/hospital/AHRQ-Hospital-Survey-2.0-Users-Guide-5.26.2021.pdf
    January 01, 2021 - Minimum Sample Sizes by Total Number of Providers and Staff ......... 11 Table 4. … Table 3 shows recommended minimum sample sizes given the numbers of providers and staff in your hospital … Minimum Sample Sizes by Total Number of Providers and Staff Number of Providers and Staff Minimum … Sample Size* Expected Number of Responses (Assuming a 50% Response Rate) 500 (or fewer) 500 – a … • Determine Your Sample Size for Nurses.