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Showing results for "design sample size".

2401. MS-2020-02 (pdf file)
      hcup-us.ahrq.gov/reports/methods/2020-02.pdf
      January 01, 2020 - errors takes into account the cluster and stratification aspects of the NIS, KID, and NEDS sample design

2402. Layout 1 (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/sleep-apnea_executive.pdf
      July 01, 2011 - Together with information on study design, patient and intervention characteristics, outcome definitions … We performed subgroup meta-analyses based on study design (parallel or crossover), minimum AHI threshold … Largely due to small sample size, the reported effect estimates in the studies reviewed were generally … Largely due to small sample sizes, the studies mostly had imprecise estimates of the comparative effects … Studies generally had small sample sizes with less than 1 year of followup.

2403. Cover Page (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/medicine-safety-call-center_research.pdf
      September 01, 2007 - It also includes the identification of appropriate data items that need to be captured and the design … In order to design these questionnaires, the research team studied previous examples and the work of … follow-up questionnaires, the surveillance administration can be contacted for modifications or the design … of various non-medical critical event reporting systems to prescribe a set of guidelines for the design … While the data fields determine the quality of the data being collected, the design of the report affects

2404. Cover Page (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/it-architecture-for-post-marketing-surveillance-arizona-cert.pdf
      September 01, 2007 - It also includes the identification of appropriate data items that need to be captured and the design … In order to design these questionnaires, the research team studied previous examples and the work of … follow-up questionnaires, the surveillance administration can be contacted for modifications or the design … of various non-medical critical event reporting systems to prescribe a set of guidelines for the design … While the data fields determine the quality of the data being collected, the design of the report affects

2405. Disposition of Comments for Evidence Report 224 Omega-3 Fatty Acids (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/omega-3-maternity_disposition-comments.pdf
      October 12, 2016 - is somewhat surprising the number of sites for which it is stated that the dates as well as study design … size being less than 250); however we rereviewed and realized it was a posthoc analysis to an RCT … The AHRQ ECER Guide notes that excluding studies based on small sample size introduces bias. … We did not exclude any RCTs based on sample size. … size.

2406. Preparing for Ambulatory Computerized Prescriber Order Entry by Evaluating Preimplementation Medication Errors (pdf file)
      www.ahrq.gov/sites/default/files/wysiwyg/professionals/quality-patient-safety/patient-safety-resources/resources/advances-in-patient-safety/vol2/Devine.pdf
      July 01, 2003 - Several aspects of the study are described: practice setting, research team, project scope and study design … This design can be replicated in similar organizations desiring to evaluate the impact of an ACPOE system … All decisions related to study design were captured in written meeting minutes and in an electronic … The team considered using a concurrent, observational study design, following prescriptions as they … The sample size was calculated based on information from the current literature, using a baseline error

2407. Screening for Osteoporosis: An Update for the U.S. Preventive Services Task Force (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/RPB3rmcS9CK_eXPdzXSxZg
      July 01, 2010 - size continuity correction RR, 0.86 [CI, 0.74 to 0.99]) (Appendix Table 3). … Author Contributions: Conception and design: H.D. Nelson. … and the fixed-effects Mantel–Haenszel RRs with an alternative continuity correction (inverse of the sample … size of the opposite treatment group [28]). … size in the opposite treatment group) 0.65 (0.49 to 0.85) 0.86 (0.74 to 0.99) 0.78 (0.44 to 1.38)

2408. Archived: Evidence Summary: Breast and Ovarian Cancer: BRCA Genetic Testing, September 2005 | United States Preventive Services Taskforce
      www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/breast-and-ovarian-cancer-brca-testing-screening-2005
      September 15, 2005 - Agency staff and Task Force members participated in the initial design of the study, and, along with … Sample size. Administration of reliable screening test. … size (50 to 100 participants), and includes a "medium" spectrum of patients. … , improperly administered screening test, biased ascertainment of reference standard, or very small sample … size of very narrow selected spectrum of patients.

2409. Screening for Colorectal Cancer: U.S. Preventive Services Task Force Recommendation Statement (pdf file)
      www.uspreventiveservicestaskforce.org/home/getfilebytoken/6hyj7-3s6Qxs-brqhxPVxD
      June 06, 2017 - important flaws in study design or methods. inconsistency of findings across individual studies. … however, the USPSTF appreciates the challenges inherent in per­ forming such trials, given the large sample … sizes and long time hori­ zons required. … In addition, it is unclear based on the study design whether the benefit accrued from 1 or multiple … The NordICC Study: rationale and design of a randomized trial on colonoscopy screening for colorectal

2410. DEcIDE 33: Summary Variables in Observational Resesarch: Propensity Scores and Disease Risk Scores (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/observational-research-scores_research.pdf
      May 01, 2012 - Sound research depends on sound study design. … through study design, analysis or both. … Figure 1 shows study design taxonomy. … This large sample size requirement means that answering the question through a randomized controlled … The design versus the analysis of observational studies for causal effects: parallels with the design

2411. Evidence-based Practice Center Systematic Review Protocol (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/pdf/cad-women-treatment_research-protocol.pdf
      September 29, 2011 - complications, renal dysfunction, anaphylaxis, arrhythmias, stent thrombosis, bleeding, and infections Sample … size We will not exclude articles based on sample size. … We will design the data abstraction forms for this project to collect data required to evaluate the … Study design will be considered when grading quality. RCTs will be graded as good, fair, or poor. … Therefore, study questions, design and/or methodological approaches do not necessarily represent the

2412. Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 (pdf file)
      www.ahrq.gov/sites/default/files/wysiwyg/patient-safety/quality-measures/qsrs/qsrs-2021-2022-adverse-event-data-report.pdf
      January 01, 2022 - Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 This page intentionally left blank. Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 Authors: David Rodrick, Andrea Ti…

2413. Statistical Brief #138: Obesity in Children: Hospitalizations from 2000 to 2009 (pdf file)
      hcup-us.ahrq.gov/reports/statbriefs/sb138.pdf
      March 01, 2012 - The KID's large sample size enables analyses of rare conditions, such as congenital anomalies and uncommon … For a detailed description of HCUP, more information on the design of the KID, and methods to calculate

2414. Statistical Brief #489: Transitions in Health Insurance Coverage for Non-Elderly Adults in the U.S. Civilian Noninstitutionalized Population: 2013-2014 and Selected Preceding Two-Year Periods (pdf file)
      meps.ahrq.gov/data_files/publications/st489/stat489.pdf
      June 01, 2016 - 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.

2415. Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022: Preliminary Report (pdf file)
      www.ahrq.gov/sites/default/files/wysiwyg/patient-safety/quality-measures/qsrs/qsrs-2021-2022-adverse-event-data-report-nov-rev.pdf
      January 01, 2022 - Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022: Preliminary Report PATIENT SAFETY e Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 Preliminary Report This page intentionally left blank. Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022:…

2416. Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 (pdf file)
      www.ahrq.gov/sites/default/files/wysiwyg/patient-safety/quality-measures/qsrs/qsrs-2021-2022-adverse-event-data-report-oct-rev.pdf
      January 01, 2022 - Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 PATIENT SAFETY e This page intentionally left blank. Adverse Events Among In-Hospital Medicare Patients in 2021 and 2022 Authors: David Rodrick, Ph.D.; Andre…

2417. Methodology Report #36: Analyzing Medical Conditions in MEPS - Detailed Reference (Part 2 of 2)
      meps.ahrq.gov/data_files/publications/mr36/mr36dr.shtml
      February 24, 2023 - data from a nationally representative sample of households through an overlapping panel design … This method of adding conditions has become much less common after the recent CAPI design … Because of the nature of the overlapping panel design used in MEPS, conditions that were reported in … Design and Methods of the Medical Expenditure Panel Survey Household Component. … Sample Design of the Medical Expenditure Panel Survey Household Component, 1998-2007.

2418. Disposition of Comments for Treatments for Seasonal Allergic Rhinitis (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/allergy-seasonal_disposition-comments.pdf
      July 17, 2013 - Peer Reviewer #4 General The design of the study, key questions, and goals are appropriate and … bias was based on USPSTF quality ratings of trials that reported on a given outcome, weighted by sample … size using a semi-quantitative method. … of bias was based on USPSTF quality ratings of trials that reported on a given outcome, weighted by sample … size using a semi-quantitative method.

2419. Gout Executive-2016 (pdf file)
      effectivehealthcare.ahrq.gov/sites/default/files/related_files/gout_executive-2016.pdf
      January 01, 2016 - nonsystematic reviews (374); conference proceedings, presentations, or abstracts (11); case reports with sample … sizes of fewer than 10 (415); population under age 18 (5); renal transplant or end-stage renal disease … presentations, or abstracts not identified as such by title and abstract review (38); case reports with sample … size fewer than 10 (17); gout management only (13); no reference standard reported or not all patients … Finally, failure to report important study design details in publications is a further limitation.

2420. Archived: Iron Deficiency Anemia in Pregnant Women and Young Children: Screening and Supplementation, 1996 | United States Preventive Services Taskforce
      www.uspreventiveservicestaskforce.org/uspstf/recommendation/iron-deficiency-anemia-pregnant-women-young-children-screening-supplementation-1996
      January 01, 1996 - show any effect of iron treatment on intelligence test scores in anemic children, despite the large sample … size. 73 A series of small randomized controlled trials conducted in India did report small improvements … learning in anemic school-aged Indonesian children. 76 , 77 All of these studies suffered from important design … given iron-fortified formula.[[108a]] Differences were no longer significant at 15 months, although sample … size may have been inadequate: only half the sample was assessed at 15 months.