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Showing results for "design sample size".

541. Transparency of Reporting Requirements: Effectiveness of Treatments Options for the Prevention of Complications and Treatment of Symptoms of Diabetic Peripheral Neuropathy (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/transparency-neuropathy_research-protocol.pdf
     September 01, 2016 - To estimate the number completed, we then added criteria to limit by study design, status and crudely … Preliminary data extraction elements: Trial design Design (randomized?) … Reasons for delays (if any) Population Total enrollment, sample size in each arm, drop-outs Participants … • Comparison of prespecified statistical plan • Sample sizes, total and per arm.

542. Disposition of Comments Report for Evidence Report/Technology Assessment No. 214 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/smoking-pregnancy-infants_disposition-comments.pdf
     February 25, 2014 - = 0.30) the sample size per E + C Group. … The justification for this unacceptable sample size criteria in the Report makes no sense. … (See CDC Epi-Info/Estimation of sample sizes + Fleiss). … Although it is commonly used, a minimum sample size of 50 has no intrinsic value as a cutoff. … The 29 “Good + Fair” studies, excluding the deleted evaluations with small sample sizes, would be the

543. Randeree E et al. 2007 "Exploring physician adoption of EMRs: a multi-case analysis." | Digital Healthcare Research
     digital.ahrq.gov/health-it-tools-and-resources/workflow-assessment-health-it-toolkit/research/randeree-e-et-al-2007
     January 01, 2007 - Study Design Pre-postintervention (no control group) Study Participants Study participants

544. Trends in Hospital Inpatient Stays by Age and Payer, 2000-2015 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb235-Inpatient-Stays-Age-Payer-Trends.pdf
     December 01, 2016 - The redesign incorporates two critical changes: • Revisions to the sample design—starting with 2012 … 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

545. C:\unzipped\Methods Series Reports to Convert\Comparison_Report_NIS4 1995.wpd (pdf file)
     hcup-us.ahrq.gov/reports/methods/Comparison_Report_NIS41995Final.pdf
     December 21, 1998 - See Design of the HCUP Nationwide Inpatient Sample, Release 4, for more details on the design of the … A significance test was not performed because a valid standard error was not available. b The NHDS sample … size was too small to calculate a valid estimate of standard error … size was too small to calculate a valid estimate of standard error … size was too small to calculate a valid estimate of standard error

546. STATISTICAL BRIEF #393: Expenditures for Heart Disease among Adults Age 18 and Older: Estimates for the U.S. Civilian Noninstitutionalized Population, 2009
     meps.ahrq.gov/data_files/publications/st393/stat393.shtml
     November 01, 2012 - Due to sample size, other non-Hispanic (American Indian/Alaska Native non-Hispanic and multiple races … Design and Methods of the Medical Expenditure Panel Survey Household Component . … Sample Design of the 1996 Medical Expenditure Panel Survey Household Component . … Design Strategies and Innovations in the Medical Expenditure Panel Survey.

547. STATISTICAL BRIEF #221: Dental Coverage of Children and Young Adults under Age 21, United States, 1996 and 2006
     meps.ahrq.gov/data_files/publications/st221/stat221.shtml
     September 01, 2008 - References For a detailed description of the MEPS-HC survey design, sample design and methods used … Design and Methods of the Medical Expenditure Panel Survey Household Component . … Sample Design of the 1996 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 .

548. Layout 1 (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/registries-guide_executive.pdf
     April 01, 2007 - Once these key design items have been determined, the registry design should be reviewed to evaluate … The term “quality” can be applied to registries to describe the confidence that the design, conduct, … Design • The literature has been reviewed to guide appropriate data collection. … effect, should one exist, or achieve a desired level of precision is specified, whether or not the sample … size requirement is met

549. STATISTICAL BRIEF #531: Healthcare Expenditures for Heart Disease among Adults Age 18 and Older in the U.S. Civilian Noninstitutionalized Population, 2017
     meps.ahrq.gov/data_files/publications/st531/stat531.shtml
     July 01, 2020 - The "other/multiple races, non-Hispanic" category is not shown separately in this Brief due to small sample … sizes or failure to meet minimum precision requirements. … References For a detailed description of the MEPS-HC survey design, sample design, and methods used to … Design and Methods of the Medical Expenditure Panel Survey Household Component .

550. Folic Acid Supplementation for the Prevention of Neural Tube Defects: An Update of the Evidence (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/y6xRBv7uSZY5bGCx7y48x7
     May 01, 2009 - The Table details the study design. … size, differen- tial measurement assessments, and differential response rates among case patients and … research design I: Properly conducted RCT II-1: Well-designed controlled trial without randomization … size (50–100 subjects) and a “medium” spectrum of patients Poor: Has fatal flaw, such as use of an … size Administration of reliable screening test Definition of ratings based on above criteria: Good:

551. An All-Payer View of Hospital Discharge to Postacute Care, 2013 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb205-Hospital-Discharge-Postacute-Care.pdf
     November 01, 2015 - The redesign incorporates two critical changes:  Revisions to the sample design—starting with … 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 analysis … Hospitals, 2011 For a detailed description of HCUP and more information on the design of the National

552. Acs-Pci-Adjunctive-Devices Research-Protocol (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/acs-pci-adjunctive-devices_research-protocol.pdf
     July 01, 2010 - that enrolled <500 subjects will be excluded, since numerous RCTs already exist within this smaller sample … size range, observational studies in this range contain small initial experiences not representative … Observational studies will be assessed for sample size, participant selection method, exposure measurement … This can be assessed through the evaluation of both design and study limitations. … duration with clinically relevant treatment modalities, assessed adverse events, had an adequate sample

553. Patient Residence Characteristics of Opioid-Related Inpatient Stays and Emergency Department Visits Nationally and by State, 2014 (pdf file)
     hcup-us.ahrq.gov/reports/statbriefs/sb226-Patient-Residence-Opioid-Hospital-Stays-ED-Visits-by-State.pdf
     December 01, 2016 - size was too small to calculate the rate) a The number of States represented in the top and bottom … size was too small to calculate the rate) a The number of States represented in the top and bottom … size was too small to calculate the rate) a Opioid-related inpatient rates are per 100,000 population … size was too small to calculate the rate) a Opioid-related ED visit rates are per 100,000 population … half the length of confidence intervals under the previous design.

554. AHRQ Statistical Brief #502: Characteristics of Practices Used as Usual Source of Care Providers during 2015-Results from the MEPS Medical Organizations Survey (pdf file)
     meps.ahrq.gov/data_files/publications/st502/stat502.pdf
     April 01, 2017 - References For a detailed description of the MEPS HC survey design, sample design, and methods used … Design and Methods of the Medical Expenditure Panel Survey Household Component. … Sample Design of the 1996 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.

555. - (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/cystic-fibrosis-hgh_appendixes.pdf
     January 01, 2009 - Characteristics Study Design  RCT – Parallel  Obs – Registry  RCT – Crossover  Case Report … Year;Volume:Page): Design Characteristics Study Design  RCT – Parallel  Obs – Registry  RCT … Each study’s mean, standard deviation, and sample size is taken into account to determine its level … For example, a study with a large sample size will have a greater impact on the composite endpoint … than a similar study with a small sample size.

556. Nedsbrochure 050218 (pdf file)
     hcup-us.ahrq.gov/news/exhibit_booth/NEDSBrochure_050218.pdf
     May 16, 2018 - One of the most distinctive features of the NEDS is its large sample size, which allows for analysis

557. HEALTHCARE COST AND UTILIZATION PROJECT — HCUP (pdf file)
     hcup-us.ahrq.gov/db/nation/kid/KID_2009_Introduction.pdf
     January 01, 2009 - The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … Detailed information on the design of the KID prior to 2006 is available in the year-specific special … The HHCUP Sampling DesignH tutorial is designed to help users learn how to account for sample design … Variance estimates must take into account both the sampling design and the form of the statistic. … reports on Design of the Kids’ Inpatient Database found on the HHCUP-US WebsiteH.

558. STATISTICAL BRIEF #415: Dental Expenditures in the 10 Largest States, 2010
     meps.ahrq.gov/data_files/publications/st415/stat415.shtml
     June 01, 2013 - References For a detailed description of the MEPS-HC survey design, sample design, and methods used … Design and Methods of the Medical Expenditure Panel Survey Household Component . … Sample Design of the 1996 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 .

559. STATISTICAL BRIEF #299: Dental Expenditures in the 10 Largest States, 2007
     meps.ahrq.gov/data_files/publications/st299/stat299.shtml
     November 01, 2010 - References For a detailed description of the MEPS-HC survey design, sample design, and methods used … Design and Methods of the Medical Expenditure Panel Survey Household Component . … Sample Design of the 1996 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 .

560. STATISTICAL BRIEF #419: Trends in Well-Child Visits: United States, 2002-2009
     meps.ahrq.gov/data_files/publications/st419/stat419.shtml
     August 01, 2013 - References For a detailed description of the MEPS-HC survey design, sample design, and methods used … Design and Methods of the Medical Expenditure Panel Survey Household Component . … Sample Design of the 1996 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, 1998–2008 .