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Showing results for "design sample size".

1441. Bringing High Performing Systems to Small Practices - Final Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/publication/r18hs018275-parsons-final-report-2013.pdf
      January 01, 2013 - Results will help guide future program design and policies for determining which resources to incorporate … that provided substantial monetary incentives to primary care practices and a novel pay-for-quality design … program evaluation purposes. 4 http://www.nycreach.org/ Methods Study Design … To ensure a sufficient sample size for the later adopters (e.g., return to paper charts prior to EHR … Purpose Objectives of Study Scope Background Context and Setting Participants Methods Study Design

1442. Evidence Report on the (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/depression-treatment-ssri_research-protocol.pdf
      June 15, 2010 - Sample size: There are no restrictions for study sample size. … , sample size, sample size calculation or power estimate); clinical indications; and study duration … episodes of depression, age of first diagnosis, etc.), study outcomes (both of benefit and of harm), sample … Source: www.effectivehealthcare.ahrq.gov Published Online: June 15, 2010 withdrawals; 2) sample … size; 3) high versus low overall quality; and 4) prospective determination of “treatment failure.)

1443. 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

1444. head-neck-cancer-update-140204 (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/head-neck-cancer-update_research-protocol.pdf
      February 04, 2014 - may vary by KQ, but, the tables will contain common elements such as author, year of publication, sample … size, study type, intervention(s), and comparator(s). … certainty surrounding an effect estimate with respect to a given outcome, based on the sufficiency of sample … size and number of events. … Therefore study questions, design and/or methodological approaches do not necessarily represent the

1445. STATISTICAL BRIEF #467: Transitions in Health Insurance Coverage Over Time, 2012-2014 (Selected Intervals): Estimates for the U.S. Civilian Noninstitutionalized Adult Population under Age 65
      meps.ahrq.gov/data_files/publications/st467/stat467.shtml
      February 01, 2015 - References For a detailed description of the MEPS-HC survey design, sample design, and methods … 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 .

1446. STATISTICAL BRIEF #229: National Health Care Expenses in the U.S. Civilian Noninstitutionalized Population, 2006
      meps.ahrq.gov/data_files/publications/st229/stat229.shtml
      December 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. … Ezzati-Rice, TM, Rohde, F, Greenblatt, J, Sample Design of the Medical Expenditure Panel Survey Household

1447. Grades-Predictive-Values White-Paper-2015 (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/grades-predictive-values_white-paper-2015.pdf
      January 01, 2015 - Results of stratified analyses based on sample size, risk of bias, and magnitude of effect estimates … To determine the influence of risk of bias, sample sizes of first and pooled subsequent trial, and the … Sample sizes of the first trials varied greatly (from 20 to 46,500 participants; median 112) and often … Results of stratified analyses based on sample size, risk of bias, and magnitude of effect estimates … Influence of trial sample size on treatment effect estimates: meta- epidemiological study.

1448. Venous-Ulcers-Treatment-Future Research (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/venous-ulcers-treatment-future_research.pdf
      January 01, 2014 - Design or Methodology Gap Study Design Estimation of sample size to achieve sufficient power; conduct … Both studies were more than 20 years old, had small sample sizes, and found no benefit for systemic … Standards for Estimating Proper Sample Sizes Well-developed statistical methods for estimating the size … …for estimating proper sample sizes. … …for estimating proper sample sizes. 0 14 Conducting…for recruiting patients.

1449. 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.

1450. Statistical Brief #46: Hospitalizations for Epilepsy and Convulsions, 2005 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb46.pdf
      January 16, 2008 - ://www.hcup-us.ahrq.gov/reports.jsp For a detailed description of HCUP, more information on the design … Design of the HCUP Nationwide Inpatient Sample, 2005. Online. June 13, 2007. U.S.

1451. 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

1452. Untitled (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/thromboembolism-update_research-protocol.pdf
      February 17, 2016 - The basic elements and design of the extraction form will be the similar to those used for other AHRQ … exposures, and comparators analyzed; outcome definitions; effect modifiers; enrolled and analyzed sample … sizes; study design features; funding source; results; and risk of bias questions.   … These included descriptions of the study design, sample size, interventions, followup duration, outcomes … Therefore study questions, design, and methodological approaches do not necessarily represent the views

1453. HIV Hospital Stays in the United States, 2006-2013 #206
      hcup-us.ahrq.gov/reports/statbriefs/sb206-HIV-Hospital-Stays-Trends.jsp
      June 01, 2016 - The redesign incorporates two critical changes: Revisions to the sample design—starting … strategy is expected to result in more precise estimates than those that resulted from the previous NIS design … 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

1454. Most Frequent Operating Room Procedures Performed in U.S. Hospitals, 2003-2012 #186
      hcup-us.ahrq.gov/reports/statbriefs/sb186-Operating-Room-Procedures-United-States-2012.jsp
      December 01, 2014 - The redesign incorporates two critical changes: Revisions to the sample design—the NIS … 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

1455. 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

1456. Disposition of Comments for Child Exposure to Trauma: Comparative Effectiveness of Interventions Addressing Maltreatment (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/trauma-interventions-maltreatment-child_disposition-comments.pdf
      April 15, 2013 - Affiliation Section Comment Response Peer Reviewer #2 General On page 62 of the report, under Study Design … size, research conducted by intervention developers ("allegiance effect"), high rate and differential … The authors do identify one of the major limitation of small sample sizes in that it is difficult to … sizes. … size to extrapolate and major conclusions about the field—especially treatments that may benefit traumatized

1457. Comments to Effective Heath Care Program Draft Documents (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/registries-guide-2nd-edition_disposition-comments.pdf
      March 03, 2010 - Is this a general comment, or a specific comment on inadequate sample size? … Is this a general comment, or a specific comment on inadequate sample size, inadequate outcome definition … Some information on background rates is needed to do sample size calculations, but the information may … size. … There is a strong interplay between representativeness, patient recruitment, sample size and power,

1458. 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.

1459. 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.

1460. eHealth Blood Pressure Control Program (eHealth BP) - Final Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/publication/r21hs018238-eaton-final-report-2012.pdf
      January 01, 2012 - Nine-month eHealth BP Home Blood Pressure Monitoring Study Design. … 12) 66.7 72.7 Change in % before and after Web +12.8 +18.2 Based upon these data, we performed a sample … size calculation for α=.05, ß=.80, and determined we would need 96 individuals in each arm for a simple … previously uncontrolled at levels consistent with other studies of HBPM and case management but the small sample … size and quasi-experimental design require a larger more rigorous study design to test effectiveness