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Showing results for "design sample size".

61. Methodology Report #9: Design, Methods, and Field Results of the 1996 Medical Expenditure Panel Survey Medical Provider Component (pdf file)
    meps.ahrq.gov/data_files/publications/mr9/mr9.pdf
    May 01, 2000 - sizes, and response rates. … Sample sizes and participation rates by provider type . . . . . . . . . . . . . . . . . . . . . . . . … Sample Sizes and Participation Rates For data collection purposes, a sampled medical provider, along … Table 2 contains a summary of 1996 sample sizes and participation rates for the various types of medical … Sample sizes and participation rates in the Medical Provider Component sample by provider type, 1996

62. Making Healthcare Safer Practices: 14. Delirium (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/research/findings/making-healthcare-safer/mhs3/delirium-1.pdf
    March 01, 2020 - Author, Year Description of Patient Safety Practice Study Design; Sample Size; Patient Population … Author, Year Description of Patient Safety Practice Study Design; Sample Size; Patient Population … Author, Year Description of Patient Safety Practice Study Design; Sample Size; Patient Population … : Quality improvement pre- post design Sample Size: n=32 for intervention Patient Population … sizes.

63. Kid 1997 Comparison (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/reports/KID_1997_Comparison.pdf
    January 01, 1997 - ......... 21 Table 21: Sample Sizes – By Hospital Strata, 1997 ..................................... … Sample sizes are evaluated for each of the comparisons that follow. … Table 24 compares the sample sizes of the two samples by patient categories. … NHDS estimates may be affected by small sample sizes (Table 32). … These length-of-stay differences may be due to restricted NHDS sample size and differences in the types

64. Evaluation of Dietary Protein Intake Requirements (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/related_files/dietary-protein-intake-protocol-amendment.pdf
    November 28, 2023 - (including sample size, age, gender/sex, race/ethnicity, socioeconomic status, physical activity level … size for metabolic Smaller sample sizes may be observed for highly controlled metabolic 14 … Thus, studies performed in this population will also be included regardless of sample size. 11/ … Smaller sample sizes may be observed for highly controlled metabolic studies due to the level of … Thus, studies performed in this population will also be included regardless of sample size. 11/

65. HCUP_methods_series_cover.ai (pdf file)
    hcup-us.ahrq.gov/reports/methods/2006_3.pdf
    January 01, 2006 - KID and NHDS Sample Sizes by Region, 2003 Sample Size (Unweighted Records) Region KID NHDS Relative … KID and NHDS Sample Sizes by Hospital Strata, 2003 Sample Size (Unweighted Records) Control and Size … KID and NHDS Sample Sizes by Diagnosis Category, 2003 Sample Size (Unweighted Records) Diagnosis … KID and NHDS Sample Sizes by Rare Diagnosis Category, 2003 Sample Size (Unweighted Records) Diagnosis … KID and NHDS Sample Sizes by Procedure Category, 2003 Sample Size (Unweighted Records) Procedure

66. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2001_Design_Report.pdf
    January 01, 2001 - This sample size was determined by AHRQ based on their experience with similar research databases. … sizes yield good estimates. … This was two more than the target sample size of 134 hospitals, resulting in a surplus of two hospitals … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

67. Making Healthcare Safer Practices: 9. Reducing Adverse Drug Events in Older Adults (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/research/findings/making-healthcare-safer/mhs3/ade.pdf
    November 11, 2019 - Author, Year Description of Patient Safety Practice Study Design; Sample Size; Patient Population … 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

68. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2005_Design_Report.pdf
    January 01, 2005 - 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 … This was four more than the target sample size of 134 hospitals, resulting in a surplus. … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

69. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2004_Design_Report.pdf
    January 01, 2004 - 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 good estimates … This was four more than the target sample size of 131 hospitals, resulting in a surplus. … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

70. FRN 35 - Preventive Pharmacological Treatments for Migraine in Adults: Future Research Needs (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/migraine-future_research.pdf
    April 01, 2013 - Again, blinding and sample size are key considerations. … Multi-site trials should be considered to recruit adequate sample sizes. … This should be considered when calculating sample size. … Again, blinding and sample size are key considerations. … This should be considered when calculating sample size.

71. Final Progress Report: Measuring Mistrust in Healthcare (pdf file)
    www.ahrq.gov/sites/default/files/2024-11/laveist-report.pdf
    January 01, 2024 - Thus, sample size computations must account for this clustering. … size estimates must be inflated by a design effect (Campbell et al. 2001). … Thus, our standard sample size estimate of 165 must be inflated by 45%, which is 165(1.45)=239.25. … In Table 1, we present the estimated sample sizes needed to detect proportion differences by gender … To detect this difference, we will need a sample size of 367.

72. Future Research Needs for First- and Second-Generation Antipsychotics for Children and Young Adults (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/antipsychotics-children-future_research.pdf
    February 01, 2012 - sizes. … Sample Size Requirements This section provides a simple framework for thinking about the sample size … sizes (for example, see Cohen12 The sample size estimates assume statistical power of 0.80 and a two-tailed … Java Applets for power and sample size [Computer software]. 2006-9. … If sample size is large, this design may be the best method to assess subgroup effects or incidence

73. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2002_Design_Report.pdf
    January 01, 2002 - 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 good estimates … This was three more than the target sample size of 133 hospitals, resulting in a surplus of three hospitals … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

74. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
    hcup-us.ahrq.gov/db/nation/nis/reports/NIS_2003_Design_Report_Edited_012506.pdf
    January 01, 2003 - 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 good estimates … This was three more than the target sample size of 131 hospitals, resulting in a surplus of three hospitals … We sampled more than the target number of hospitals in each region because we rounded the target sample … size for each stratum up to the next highest integer whenever it was not an integer.

75. Calculating Variances Using the 1999 Nationwide Inpatient Sample (pdf file)
    hcup-us.ahrq.gov/db/nation/kid/reports/CalculatingKIDVariances.pdf
    December 16, 2005 - SE Mean 216.08644 Variable ASTMHA 1 Sample … Size 102095.00000 Weighted Size 173381.79587 Total 23.65412 Lower 95% Limit … Manton, "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using … For the sample selection procedure, the sample design can be a complex multistage sample design that … Control language specifies the selection methods, the desired sample size or sampling rate, and other

76. Calculating Variances Using the 1999 Nationwide Inpatient Sample (pdf file)
    hcup-us.ahrq.gov/reports/methods/2005-07.pdf
    January 01, 2005 - SE Mean 216.08644 Variable ASTMHA 1 Sample … Size 102095.00000 Weighted Size 173381.79587 Total 23.65412 Lower 95% Limit … Manton, "Equivalent Sample Size" and "Equivalent Degrees of Freedom" Refinements for Inference Using … For the sample selection procedure, the sample design can be a complex multistage sample design that … Control language specifies the selection methods, the desired sample size or sampling rate, and other

77. A Guide to Real-World Evaluations of Primary Care Interventions: Some Practical Advice (pdf file)
    www.ahrq.gov/sites/default/files/publications2/files/guide-to-real-world-evaluations.pdf
    October 01, 2014 - Building the Evidence Base for the Medical Home: What Sample and Sample Size Do Studies Need? … HHSA290200900019I TO2. http://pcmh.ahrq.gov/page/building- evidence-base-medical-home-what-sample-and-sample-sizes-do-studies-need … http://pcmh.ahrq.gov/page/building-evidence-base-medical-home-what-sample-and-sample-size-do-studies-need … Building the Evidence Base for the Medical Home: What Sample and Sample Size Do Studies Need? … http://pcmh.ahrq.gov/page/building-evidence-base-medical-home-what-sample-and-sample-size-do-studies-need

78. Quantitative Synthesis: Chapter 2. Presenting Different Effects for Different Data Types (pdf file)
    effectivehealthcare.ahrq.gov/sites/default/files/pdf/ehc-presentation-quantitative-synthesis-chapter-2.pdf
    February 01, 2018 - sizes, and standard errors. … sizes … size bias.5 ► Transformation is achieved by multiplying Cohen’s d by a function of the total sample … size: 𝑔𝑔 = 𝑑𝑑 1 − 3 4𝐿𝐿 − 9 ► For very large sample sizes Cohen’s d and Hedges’ g will be … Where: N = total trial sample size Ratio of means • Ratio of means (RoM) is an alternative to the

79. INTRODUCTION TO THE HCUP NATIONAL INPATIENT SAMPLE (NIS), 2020
    hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2020.jsp
    January 01, 2020 - data but that comprises as much as 34 percent of Medicare beneficiaries. 1 The NIS' large sample … size enables analyses of rare conditions, uncommon treatments, and special patient populations. … The new NIS retains a large sample size, which enables analyses of rare conditions, uncommon treatments … size. … This sample size was determined by AHRQ based on their experience with similar research databases.

80. HCUP_methods_series_cover.ai (pdf file)
    hcup-us.ahrq.gov/reports/methods/TrendReport2005_1.pdf
    March 19, 2004 - sizes are 20 to 25 times larger than the corresponding NHDS sample sizes. … size. … Also, consistent with the 20 percent hospital sample size, the average discharge weight decreased to … be used, although the analyst might have to normalize the weights to sum to the sample size and provide … Figure 15: NIS Sample Sizes for Affective Disorders, 1988 – 2002 HCUP (4/8/05) 35 Figure