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Showing results for "design sample size".

2181. Protocol: Imaging for Pretreatment Staging of Small Cell Lung Cancer (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/lung-cancer-staging_research-protocol.pdf
      December 08, 2014 - the Review Our inclusion criteria are listed below in five categories: Publication criteria, study design … Study Design Criteria a. … This design permits a Source: www.effectivehealthcare.ahrq.gov Published online: December 8, 2014 … Elements to be abstracted include general study characteristics (e.g., country, setting, study design … This instrument was developed by ECRI Institute12 with respect to the impact of study design on bias

2182. Statistical Brief #135
      hcup-us.ahrq.gov/reports/statbriefs/sb135.jsp
      June 01, 2012 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

2183. Migraine-Emergency Executive (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/migraine-emergency_executive.pdf
      November 01, 2012 - The search strategy did not employ any study design search filters, nor were language restrictions … Single trials, particularly those with small sample sizes, were graded as having insufficient strength … Sample sizes varied, with an overall median of 64 patients per study (interquartile range: 40 to 100 … A small number of studies and overall small sample sizes contributed to imprecision. … Equivalence claims would require considerably larger sample sizes and 95% CIs that do not include the

2184. DARTNet Summary Report (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/distributed-network-ambulatory-therapeutics_research.pdf
      July 01, 2009 - DARTNet Design Specifications B. … innovations that affect small populations (for which no single care delivery system would have a sufficient sample … size). … innovations that affect small populations (for which no single care delivery system would have a sufficient sample … size).

2185. Statistical Brief #122
      hcup-us.ahrq.gov/reports/statbriefs/sb122.jsp
      October 01, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

2186. Overview of Hospitalizations among Patients with COPD, 2008 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb106.pdf
      February 14, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

2187. Patient-Provider Electronic Messenger in Chronic Illness - Final Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/publication/r03hs014625-ralston-final-report-2006.pdf
      January 01, 2006 - Methods Study Design The study design was a retrospective analysis focusing on the four groups … Power and Sample … Size Power and precision estimates were based on our initial estimation of the sample sizes in our … Our initial estimates of SM use, however, were lower than our actual sample sizes due to the rapid uptake … between patients and providers through MyGroupHealth Setting Participants Methods Study Design

2188. Screening for Colorectal Cancer: Updated Evidence Report and Systematic Review for the USPSTF (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/Xbtq4oDQwVo7KgmSjnnDbz
      November 01, 2021 - Studies whose design was sub- Figure 2. … Design: study did not use an included design. … The results were synthesized by KQ, type of screening test, and study design. … Study concept and design: Lin, Piper, Perdue, Whitlock. … Empirical evidence of design-related bias in studies of diagnostic tests.

2189. Ncinqtobaccousehelpform (pdf file)
      www.ahrq.gov/sites/default/files/wysiwyg/policymakers/chipra/factsheets/fullreports/NCINQTobaccoUseHelpForm.pdf
      August 01, 2012 - nature of use of tobacco products (past or current and degree of dependence), which can facilitate the design … Describe the nature of the evidence, including study design, and provide relevant citations. … studies: Published in a National Library of Medicine (NLM) indexed, peer-reviewed journal (specify study design … Provide an estimate of the required sample size to gain adequate numbers of observations for sufficiently … We are unable to provide an estimate of required sample size for making comparisons across these patient

2190. DRN: Report 1 (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/distributed-network-safety_research.pdf
      July 01, 2009 - This report addresses the design specifications, such as technical design, key infrastructure components … However, information from more than one electronic data system may be needed in order to attain sample … sizes that provide sufficient Effective Health Care Research Report Number 13 3 statistical … The summary data are typically used to further define a detailed study protocol and assess final sample … size and power.

2191. research Findings #34: Transitions in Health Insurance Coverage for Non-Elderly Adults in the U.S. Civilian Noninstitutionalized Population: 2012-2013 through 2014-2015 and Selected Preceding Two-Year Periods (pdf file)
      meps.ahrq.gov/data_files/publications/rf34/rf34.pdf
      August 01, 2017 - who reported other races and/or multiple races were not included in the analysis due to insufficient sample … size. … Design and Methods of the Medical Expenditure Panel Survey Household Component. … Sample Design of the Medical Expenditure Panel Survey Household Component, 1998–2007.

2192. AHRQ's Guide to Evaluating Health Information Exchange Projects - Section 6 (pdf file)
      digital.ahrq.gov/sites/default/files/docs/page/guide-to-evaluating-hie-projects-section-6.pdf
      June 16, 2021 - project, based in part on having an understanding of the resources required to develop the study design … Be sure to consult with an institutional review board regarding your evaluation plan design. … can assess how the HIE is impacting workflow and time spent in coordinating care A pre-post design

2193. Most Frequent Conditions in U.S. Hospitals, 2011 #162
      hcup-us.ahrq.gov/reports/statbriefs/sb162.jsp
      September 01, 2013 - For a detailed description of HCUP, more information on the design of the Nationwide Inpatient Sample

2194. HCUP Statistical Brief #105: Emergency Department Visits and Inpatient Stays Related to Back Problems, 2008 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb105.pdf
      February 01, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

2195. Statistical Brief #105
      hcup-us.ahrq.gov/reports/statbriefs/sb105.jsp
      February 01, 2011 - For a detailed description of HCUP, more information on the design of the NIS, and methods to calculate

2196. final Fibromyalgia CER protocol_3-31-14 (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/fibromyalgia_research-protocol.pdf
      April 03, 2014 - studies will be assessed by two independent investigators using instruments specific to each study design … Moderate risk of bias may be assigned to large cohort studies with a sample size for adequate power … first four domains.56 Study limitations will be rated as low, moderate or high according to study design … Therefore study questions, design and/or methodological approaches do not necessarily represent the … Study design: prospective, retrospective or mixed?

2197. Can Risk Score Alerts Improve Office Care for Chest Pain? - Final Report (pdf file)
      digital.ahrq.gov/sites/default/files/docs/publication/r18hs017075-sequist-final-report-2010.pdf
      January 01, 2010 - other clinical service. 3 Final Report Purpose With a randomized, controlled study design … The trial ran for 15 months to ensure enrollment of sufficient sample sizes. 7 Limitations … While our study benefits from the rigorous design and evaluation, the findings should be interpreted … The design and delivery of electronic decision support systems play a large role in their effectiveness

2198. Disposition of Comments Report for Procalcitonin-Guides Antibiotic Therapy (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/cer78_procalcitonin_disposition_20121210.pdf
      October 05, 2012 - The first two research gaps are straightforward although not easy studies to design. … But difficult to design and implement in the real world. … appropriately note that definitively determining a mortality difference would require a very large sample … size. … and standard therapy and have a confidence interval that is narrow would require a large sample size

2199. Archived: Evidence Summary: Colorectal Cancer: Screening | United States Preventive Services Taskforce
      www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/colorectal-cancer-screening-june-2016
      June 15, 2016 - Studies whose design was subject to a high risk of bias were generally excluded, including studies that … Data Synthesis and Analysis For each KQ, the number and design of included studies, overall results … The results were synthesized by KQ, type of screening test, and study design. … Empirical evidence of design-related bias in studies of diagnostic tests. … Design: study did not use an included design.

2200. Schedule of Visits and Use of Telemedicine for Routine Antenatal Care: A Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/antenatal-care.pdf
      January 01, 2020 - • Comparative studies (comparisons of different interventions), including parallel design, pre-post … • Comparative studies (comparisons of different interventions), including parallel design, pre-post … (This sample size chosen because the upper 97.5% confidence interval bound for a proportion of 0/400 … For each study, we will extract publication data, study design features, population characteristics, … For each study, we will extract publication data, study setting, and study design features (e.g.,