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Showing results for "design sample size".

481. 2005 HCUP Nationwide Inpatient Sample (NIS) Comparison Report
     hcup-us.ahrq.gov/db/nation/nis/reports/2005niscomparisonrpt.jsp
     November 01, 2015 - Where a comprehensive geographic representation is more important than a large sample size, and the question … The NIS provides a large sample size that tends to yield estimates with much smaller standard errors … Because NIS estimates have greater precision – the result of the large sample size – it may be preferred … (a) Because of very small sample size, the NHDS estimate and standard error were unreliable and not reported … (a) Because of very small sample size, the NHDS estimate and standard error were unreliable and not reported

482. Microsoft Word - kid_dde_hospnotes_2000.doc (pdf file)
     hcup-us.ahrq.gov/db/nation/kid/DataElements_KID_Hospital_2000.pdf
     January 01, 2000 - When sample size was sufficiently large, hospitals were stratified as public, voluntary, and proprietary … For detailed information about the KID sampling design, see the year-specific report on the Design of … For detailed information about the KID sampling design, see the year-specific report on the Design of … For detailed information about the KID sampling design, see the year-specific report on the Design of … For detailed information about the KID sampling design, see the year-specific report on the Design of

483. Statistical Brief #64: Family Health Care Expenses, by Income Level, 2002 (pdf file)
     meps.ahrq.gov/data_files/publications/st64/stat64.pdf
     January 01, 2005 - 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.

484. 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.

485. STATISTICAL BRIEF #509: Characteristics of Practices Used as Usual Source of Care Providers during 2015, by Age—Results from the MEPS Medical Organizations Survey (pdf file)
     meps.ahrq.gov/data_files/publications/st509/stat509.pdf
     March 01, 2018 - 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.

486. Aspirin for the Primary Prevention of Cardiovascular Events: An Update of the Evidence (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/t6yV6ZMHngeWgmTsoMMefM
     March 01, 2009 - Excluded (n = 722) High-risk patients only: 331 Aspirin not evaluated: 294 Inappropriate study design … size (50–100 subjects) and a “medium” spectrum of patients. … size or very narrowly selected spectrum of patients. … size (50–100 subjects) and a “medium” spectrum of patients. … size or very narrowly selected spectrum of patients

487. 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

488. Description of Data Elements (pdf file)
     hcup-us.ahrq.gov/db/nation/nis/DataElements_NIS_2001_HOSPITAL.pdf
     January 01, 2001 - For detailed information about the NIS sampling design, see the year-specific report on the Design of … When the sample size was sufficiently large, hospitals were stratified as public (HOSP_CONTROL=1), voluntary … For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of … For detailed information about the NIS sampling design, see the year-specific report on the Design of

489. 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,

490. 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

491. 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

492. 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 .

493. Archived: Final Evidence Summary: Folic Acid to Prevent Neural Tube Defects: Preventive Medication | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary25/folic-acid-to-prevent-neural-tube-defects-preventive-medication-2009
     May 15, 2009 - The Table details the study design. … size, differential measurement assessments, and differential response rates among case patients and … size; few received multivitamins regularly in 6 months periconceptionally. … Preventive Services Task Force Hierarchy of Research Design and Quality Rating Criteriasize or very narrowly selected spectrum of patients Note: RCT = randomized, controlled trial

494. STATISTICAL BRIEF #263: Dental Expenditures in the 10 Largest States, 2006
     meps.ahrq.gov/data_files/publications/st263/stat263.shtml
     September 01, 2009 - 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 . … 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 .

495. Final Research Plan: Prostate Cancer: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan/prostate-cancer-screening-adults
     December 21, 2023 - flashes, and gynecomastia); surgical complications; and long-term harms Other outcomes Study Design … ║Sample size of >100. … ¶ Sample size of at least 1,000; uncontrolled studies only eligible if randomized, controlled trials

496. Interventions Targeting Sensory Challenges in Children With Autism Spectrum Disorders - An Update (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/related_files/asd-interventions-disposition.pdf
     May 26, 2017 - Peer Reviewer #7 Methods Almost all of the studies reviewed are noted to have "small" sample size, … Moreover, most studies noted as a limitation their small sample size. … We set the sample size criteria of 10 for RCTs and 20 for other types of studies in consultation with … We selected a minimum sample size of 10 for RCTs because we felt that the typically greater controls … for bias and rigor helped to mitigate limitations of a smaller sample size.

497. 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 .

498. FRN 41 - Noninvasive Technologies for the Diagnosis of Coronary Artery Disease in Women: Future Research Needs (pdf file)
     effectivehealthcare.ahrq.gov/sites/default/files/pdf/cad-women-diagnosis-future_research_1.pdf
     February 01, 2013 - RCT --Sample size needed for outcome --Size of pool of potential subjects --Duration of follow-up required … Meta-analysis of RCTsYes META-ANALYSIS:RCTs --Sample size needed for outcome --Number, quality of RCTs … Considerations include: • Sample size required for a particular outcome and to include a representative … size to achieve adequate power … size

499. Kim J et al. 2005 "Development and initial testing of a computer-based patient decision aid to promote colorectal cancer screening for primary care practice." | Digital Healthcare Research
     digital.ahrq.gov/health-it-tools-and-resources/workflow-assessment-health-it-toolkit/research/kim-j-et-al-2005
     January 01, 2005 - Informational resource Type of Health IT Functions The educational resource is modular in design … Study Design Only postintervention (no control group) Study Participants A convenience sample

500. 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