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Showing results for "design sample size".

1941. Concentration of Healthcare Expenditures and Selected Characteristics of Persons With High Expenses, United States Civilian Noninstitutionalized Population, 2018-2021
      meps.ahrq.gov/data_files/publications/st556/stat556.shtml
      March 01, 2024 - Design and Methods of the Medical Expenditure Panel Survey Household Component . … Design, Methods, and Field Results of the Medical Expenditure Panel Survey Medical Provider … Sample Design of the 1996 Medical Expenditure Panel Survey Household Component .

1942. STATISTICAL BRIEF #450: Differentials in the Concentration in Out-of-Pocket Health Expenditures across Population Subgroups in the U.S., 2012
      meps.ahrq.gov/data_files/publications/st450/stat450.shtml
      September 01, 2014 - Design and Methods of the Medical Expenditure Panel Survey Household Component . … Design Strategies and Innovations in the Medical Expenditure Panel Survey. … Sample Design of the Medical Expenditure Panel Survey Household Component, 1998–2007 .

1943. STATISTICAL BRIEF #423: Differentials in the Concentration in the Level of Out-of-Pocket Health Expenditures across Population Subgroups in the U.S., 2011
      meps.ahrq.gov/data_files/publications/st423/stat423.shtml
      September 01, 2013 - Design and Methods of the Medical Expenditure Panel Survey Household Component . … Design Strategies and Innovations in the Medical Expenditure Panel Survey. … Sample Design of the Medical Expenditure Panel Survey Household Component, 1998–2007 .

1944. Gout Dx protocol_140715-draft (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/gout_research-protocol-2014.pdf
      January 01, 2014 - Study-level data will include PICOTs, inclusion/exclusion criteria, study design, comorbidities, other … Studies will be weighted by sample size. … option, outcomes will be described narratively, stratified by test comparisons of interest and study design … Therefore study questions, design, and methodological approaches do not necessarily represent the views

1945. Using the Electronic Health Record To Identify Children Likely To Suffer Last-Minute Surgery Cancellation - Final Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/citation/r21hs024983-pratap-final-report-2019.pdf
      January 01, 2019 - conceptualization, we applied an iterative step- forward approach to identify key predictors to inform the design … Study Design We performed stratified random sampling to divide each dataset into two: 70% for training … Moreover, the specific predictors identified for individual cancellation causes may inform the design … Machine learning classifiers Feature selection Strategy for dealing with imbalanced data Study Design

1946. Peripheral Nerve Blocks for Postoperative Pain Management in Cardiothoracic Surgery (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/peripheral-nerve-block-protocol.pdf
      November 18, 2023 - Study design Randomized controlled trials (RCTs) Minimum sample size per arm of ≥30 participants. … , qualitative, case reports, opinions/letters, pilot studies, feasibility studies Studies with a sample … size <30 participants analyzed in any arm. … size, reported outcomes, outcome timing, adverse events, and follow-up period. … Therefore, study questions, design, and methodological approaches do not necessarily represent the

1947. Archived: Final Evidence Summary: Vitamin D and Calcium to Prevent Fractures: Preventive Medication | United States Preventive Services Taskforce
      www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary52/vitamin-d-and-calcium-to-prevent-fractures-preventive-medication-2013
      December 10, 2011 - For observational studies, we also listed the confounders adjusted for in the study design (for example … These concerns raise many important issues regarding the design and conduct of future trials of dietary … The size of the circle is proportional to the sample size of the RCT. … Size) Methodologic Quality Follow-up Duration Main Findings Supplement or Appendix Figure Providing … † Sample size is specific to the comparison.

1948. Statistical Brief #136
      hcup-us.ahrq.gov/reports/statbriefs/sb136.jsp
      June 01, 2012 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

1949. Evidence-based Practice Center Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/stroke-atrial-fibrillation_research-protocol.pdf
      January 30, 2012 - 2007, three large trials comparing novel anticoagulants to VKA have been completed, with a combined sample … size of ~50,000 subjects: • Re-LY, with approximately 18,000 subjects and the new direct factor … • Original data • All sample sizes • RCTs, prospective and retrospective observational studies, … We will design the data abstraction forms for this project to collect the data required to evaluate … They had serious errors in design, analysis, or reporting; large amounts of missing information; or

1950. Evidence-based Practice Center Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/telehealth_disposition-comments.pdf
      June 30, 2016 - 6 Commentator & Affiliation Section Comment Response Public- Annonymous Findings How does sample … size as a factor of the prevalence and incidence of certain conditions play a role in the strength … size to have the power that a diabetes intervention might have. … The sample size does not affect our calculation. … A collaboration between Continua, mHealth Summit, and HIMSS, PCHA publishes the Continua Design Guidelines

1951. Interventions to Support Breastfeeding: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/SJbAXUAQTv2GWemMuBab6W
      April 08, 2025 - One reviewer abstracted data about each study’s design, popu- lation, interventions, and outcomes; a … Sample sizes for the included trials ranged from 39 to 9675 participants, and the median sample size … 13 Relevance 11 Quality 167 Articles excluded for KQ2 23 Quality 37 Outcomes 30 Setting 24 Study design … Study design: Study was not a randomized clinical trial. … Concept and design: All authors. Acquisition, analysis, or interpretation of data: All authors.

1952. Disposition of Comments Report for CER 226: Labor Dystocia (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/cer-226-labor-dystocia-comments.pdf
      May 14, 2020 - And for most of the outcomes compared, it is likely that RCTs are the optimal research design. … 2020 15 Section Commentator & Affiliation Comment Response Methods Peer Reviewer #1 Why was sample … size, e.g. power analyses for various outcomes, not discussed? … Sample size is implicitly included in the rating of strength of evidence— measures of association for … Reviewer #1 The discussion/conclusion is much too broad without an inadequate consideration of the many design

1953. Implementation Outcomes of a Health IT Program for Vulnerable Diabetes Patients - Final Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/publication/r03hs020684-handley-final-report-2012.pdf
      January 01, 2012 - Two papers summarizing the design and the details of the current intervention and study arms have been … SMARTSteps CONSORT diagram 7 Methods Study Design The fidelity study included analysis … enrolled versus declined and not contacted patients from our recent publication of the SmartSteps trial design … Quasi- experimental designs in practice-based research settings: design and implementation considerations … Background Context and Setting SMARTSteps Participants and SMARTSteps Outcomes Methods Study Design

1954. Engaging Diverse Patients in Using an Online Patient Portal - Final Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/citation/r00hs022408-lyles-final-report-2019.pdf
      January 01, 2019 - Training Program to Educate Diverse Patients about Using a Patient Portal Relying on user-centered design … Methods Aim 1: Design of Portal Training We completed and analyzed 25 thinkaloud interviews with patients … follow-up period of 3-6 months post-training (mean 112 days, range 82-192 days), with an estimated sample … size of 100 to detect a 25% difference in portal use (10% vs. 35%) with 80% power. … User-Centered Design of a Tablet Waiting Room Tool for Complex Patients to Prioritize Discussion Topics

1955. Most Frequent Conditions in U.S. Hospitals, 2010 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb148.pdf
      March 01, 2012 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

1956. Geographic Variation in Potentially Preventable Hospitalizations for Acute and Chronic Conditions, 2005-2011 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb178-Preventable-Hospitalizations-by-Region.pdf
      September 01, 2014 - Hospitals, 2011 For a detailed description of HCUP, more information on the design of the Nationwide

1957. Statistical Brief #76: U.S. Hospitalizations Involving Osteoporosis and Injury, 2006 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb76.pdf
      July 01, 2009 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

1958. Statistical Brief #69: Hospitalization for Colorectal Cancer, 2006 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb69.pdf
      March 01, 2009 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

1959. Statistical Brief #110: Hospitalizations Related to Childbirth, 2008 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb110.pdf
      April 01, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

1960. Characteristics of Inpatient Stays Involving Hepatitis C, 2005-2014 #232
      hcup-us.ahrq.gov/reports/statbriefs/sb232-Hepatitis-C-Hospital-Stays-Trends.jsp
      December 01, 2017 - 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