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Showing results for "design sample size".

1401. 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

1402. 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

1403. 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

1404. - (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.

1405. Targeting Medication Nonadherence Using Mobile Phone-Based Tailored Messaging - FInal Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/citation/r36hs021976-gatwood-final-report-2014.pdf
      January 01, 2014 - First, the sample size was far smaller than had been anticipated and desired, limiting our statistical … It should be noted that these results should be taken with caution as the small sample size of subjects … More importantly, larger sample sizes must be recruited so that more reliable and statistically robust … messages used may have had an effect on the study population but were unobserved due to the small sample … size or may have been difficult to measure due to the high prevalence of insulin.

1406. 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

1407. 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

1408. 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.)

1409. 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.

1410. 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

1411. 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

1412. 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 .

1413. 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

1414. 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.

1415. 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

1416. 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.

1417. 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

1418. 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,

1419. 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.

1420. 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