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Total Results: 426 records

Showing results for "design sample size".

  1. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/obesity-in-children-and-adolescents-screening-2005
    July 12, 2005 - behavioral counseling treatment literature is limited, due to marginal quality trials employing small samplesizes of primarily white, school-age children receiving short-term, non-comparable, non-generalizable … and girls (elevated total scores) were not significant, but may be revealed in studies with larger samplesizes. … Sample size. Administration of reliable screening test. Return to Table of Contents
  2. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/obesity-in-children-and-adolescents-screening-june-2017
    June 20, 2017 - Otherwise, AHRQ had no role in the design and conduct of the study; collection, management, analysis, … Design: Study did not use an included design. … imprecise No evidence of reporting bias was identified, but many included trials limited by small samplesizes (n <40 per treatment group) and fairly high (2%-40%) attrition. … Many subgroups involved small sample sizes.
  3. JAMA JATS (pdf file)

    www.uspreventiveservicestaskforce.org/home/getfilebytoken/UA7cEG8wH4xh8-fr7Lfw9q
    September 18, 2018 - Evidence is insufficient because of the limited number or size of studies. important flaws in study design … participants had elevated clinical or subclinical risk of car- diovascular disease or cancer.1 Trial samplesizes ranged from 30 to 2161. … One trial enrolled participants with cardio- vascular risk factors.1 Trial sample sizes ranged from 92
  4. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary-radiation-induced-breast-cancer-and-breast-/breast-cancer-screening-january-2016
    January 11, 2016 - Design: 2 simulation-modeling approaches. Setting: U.S. population. … Disclaimer: The authors are responsible for study design, analysis and interpretation of the data, writing
  5. www.uspreventiveservicestaskforce.org/home/getfilebytoken/6desD2XJCQKF8ZDPMS-NU_
    July 01, 2005 - behavioral counseling treatment literature is limited, due to marginal quality trials employing small samplesizes of primarily white, school-age children receiving short-term, non-comparable, non-generalizable … and girls (elevated total scores) were not significant, but may be revealed in studies with larger samplesizes. … size • Administration of reliable screening test 61
  6. www.uspreventiveservicestaskforce.org/home/getfilebytoken/gWJU-ZynehGyLBVYtDmMow
    May 01, 2009 - Data Extraction: Information on the study design, selection criteria, demographic characteristics, and … Data Extraction We extracted information from each included study on its design, selection criteria, … study type: 45 No relevant health outcomes described: 34 Setting not generalizable to United States: 3 Samplesize <100: 2 Selected population, or not relevant to primary care: 2 Other STD or HIV co-infection study … Screening and Harms of Screening and Treatment for Syphilis in Pregnancy Study, Year (Reference) Study Design
  7. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/breast-cancer-screening
    April 30, 2024 - modality for both study groups at the second round because using the same instrument is a stronger design … Limited evidence from 1 nonrandomized study, using an emulated trial study design, suggested that screening … : Study did not use an included design. … a Source Study design … (total sample size) by screening strategy Summary of findings by screening strategy or outcome Consistency
  8. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary12/cervical-cancer-screening-2012
    October 18, 2011 - 1.36 [CI, 0.98 to 1.89]); effects on relative detection of CIN3+ were less clear because of the small samplesize and wide CIs (1.38 [CI, 0.81 to 2.36]) ( Table 3 ). … Screen for Cervical Cancer Study, Year (Reference); Country; USPSTF Quality Rating SampleSize, n ; Ages Recruited, y Cytology Cutoff Sensitivity/Relative Detection Ratio (95% CI) … Size, n Sensitivity (95% CI) Specificity (95% CI) HC2 Cytology: ASC-US+ HC2 and Cytology
  9. www.uspreventiveservicestaskforce.org/uspstf/recommendation/drug-use-illicit-screening
    June 09, 2020 - of 15 different screening tools in nonpregnant adults. 12 , 37 There was considerable variation in samplesize (139 to 2057, not including a large US-based national sample of 42,923), proportion of female participants … Sample sizes ranged from 31 to 306 (total N = 1718 participants). … Sample sizes ranged from 34 to 1175 (total N = 15,659).
  10. www.uspreventiveservicestaskforce.org/home/getfilebytoken/bQNXFv9Q5uaAQvWH6B7VWV
    June 11, 2019 - included for all KQsa 252 Articles excluded 11 Wrong population 6 Wrong comparator 52 Wrong study design … Six studies evaluated men who have sex with men56-59,61,62 and 1 study evaluated PWID.60 Sample sizes … The area of each diamond represents the sample size for each pooled estimate (subgroup or overall analysis … The area of each diamond represents the sample size for each pooled estimate (subgroup or overall analysis … Concept and design: Chou, Korthuis. Acquisition, analysis, or interpretation of data: All authors.
  11. www.uspreventiveservicestaskforce.org/home/getfilebytoken/_9KLmyQyMnoE3agQJsgNE-
    November 01, 2011 - Results of Liquid-Based Cytology Studies Study, Year (Reference); Country; USPSTF Quality Rating SampleSize, n; Ages Recruited, y Cytology Cutoff Sensitivity/Relative Detection Ratio (95% CI)* LBC CC … Number 10 691 1.89]); effects on relative detection of CIN3� were less clear because of the small samplesize and wide CIs (1.38 [CI, 0.81 to 2.36]) (Table 3). … Size, n Sensitivity (95% CI) Specificity (95% CI) HC2 Cytology: ASC-US� HC2 and Cytology HC2 Cytology
  12. www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary30/speech-and-language-delay-and-disorders-in-children-age-5-and-younger-screening-july-2015
    July 07, 2015 - language diagnostic procedure, or wrong population of interest (125); wrong comparison (136); wrong design
  13. www.uspreventiveservicestaskforce.org/home/getfilebytoken/teeHcmNgvNBSj4-E9SN5QK
    February 01, 2005 - Agency staff and Task Force members participated in the initial design of the study and reviewed interim … There were important differences in the design of the 4 population screening trials. … Influence of study design on reported mortality and morbidity rates after abdominal aortic aneurysm repair
  14. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary46/skin-cancer-screening-2009
    February 15, 2009 - Limitations of the research design include the potential selection bias of case patients and control … , 25 However, the incidence of melanoma and mortality are higher in Australia, requiring a smaller samplesize.
  15. www.uspreventiveservicestaskforce.org/uspstf/document/screening-for-hiv-in-pregnant-women-evidence-summary/human-immunodeficiency-virus-hiv-infection-screening-2013
    November 15, 2012 - Data Extraction and Quality Assessment One investigator abstracted details on the study design, patient … Meta-analysis was not attempted because the data could not be pooled, owing to differences across studies in designSample sizes ranged from 57 to 8793 participants. … following reasons: wrong population (69), wrong intervention (32), wrong outcome (84), wrong study design … for key question (30), no original data (106), out of scope (10), sample size too small (8), and systematic
  16. www.uspreventiveservicestaskforce.org/home/getfilebytoken/TAgAUJ5QoaRfV3M8fApBoN
    June 03, 2019 - We abstracted details about patient population, design, quality, data analysis, and published results … However, we viewed this as an expected consequence of a study design in which a control group receives … intervals, or P values in recent report; estimated the number of participants Appropriate Appropriate – Samplesizes differed for different publications because different meth- ods were used to estimate the size … Implementation of screening as a public health policy: issues in design and evaluation.
  17. www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-review78/ovarian-cancer-screening-2012
    April 15, 2012 - For data on the harms of screening, one reviewer abstracted information on sample size, number of patients … included studies were not able to be synthesized due to heterogeneity in patient populations and study designDesign of the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial.
  18. www.uspreventiveservicestaskforce.org/home/getfilebytoken/fNXdu3HGvWE-ovsuhNeANW
    April 01, 2012 - For data on the harms of screening, one reviewer abstracted information on sample size, number of … included studies were not able to be synthesized due to heterogeneity in patient populations and study designDesign of the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial.
  19. www.uspreventiveservicestaskforce.org/home/getfilebytoken/m_E9nFrmxuS5-surqVHK2u
    November 13, 2018 - for KQ5 2 Aim 42 Setting 108 Outcomes 79 Population 39 Intervention 16 Comparator 0 Screener 42 DesignDesign: Study did not use an included design. Quality: Study was poor quality. … Studies (Design), No. of Participants Summary of Findings Consistency and Precision Limitations (Includes … Concept and design: O’Connor, Perdue, Patnode, Jonas. … Design of the NIDA clinical trials network validation study of Tobacco, Alcohol, Prescription medications
  20. 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 samplesize of very narrow selected spectrum of patients.

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