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Total Results: 426 records

Showing results for "design sample size".

41. Screening for Carotid Artery Stenosis: An Update of the Evidence (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/YSj5xRQc9DroH8gpUYsoFA
    December 01, 2007 - Preventive Services Task Force Hierarchy of Research Design and Quality Rating Criteria* Hierarchy of … research design I: Properly conducted RCT II-1: Well-designed controlled trial without randomization … size or very narrow selected patients * Based on information from references 25 and 56. … Complication Rates of Carotid Endarterectomy* Author, Year (Reference) Design Setting Source Population … Medicine Volume 147 • Number 12 www.annals.org Appendix Table 4—Continued Author, Year (Reference) Design

42. Behavioral Counseling in Primary Care to Promote a Healthy Diet in Adults: A Summary of the Evidence (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/B-qVy6dbC25L-KAR5GvLpw
    January 01, 2010 - for obesity will examine these articles.7 All included articles used a randomized controlled study design … Staff of the funding agency contributed to the study design, reviewed draft and final manuscripts, and … activity.21,23,25,30 All included studies were considered to be of good quality, based on randomized design

43. Archived: Rh(D) Incompatibility: Screening, 1996 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/recommendation/rhd-incompatibility-screening-1996
    January 01, 1996 - of controlled clinical trials in the early 1960s.[[14-16] Despite a variety of minor flaws in study design … which happens in 0.7-1.8% of pregnant women at risk. 1 , 9 , 18 Although sample selection and other design

44. Archived: Final Evidence Summary: Colorectal Cancer: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary4/colorectal-cancer-screening-2008
    October 15, 2008 - Preventive Services Task Force Design-Specific Quality Rating Criteria Appendix Table 3. … Empirical evidence of design-related bias in studies of diagnostic tests. JAMA 1999;282:1061-6. … Summary of Results * Key Question and Test Number of Studies and Study Design Limitations … Table 3 (continued) Key Question and Test Number of Studies and Study Design Limitations … Adequate sample size.    Administration of reliable screening test.

45. Screening for Colorectal Cancer: A Targeted, Updated Systematic Review (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/UCajZVxQEKLCgs59HV7ddE
    November 01, 2008 - repost necessary outcomes: 14 Duplicative review content: 2 Population: 87 Study quality: 6 Study design … Empirical evidence of design-related bias in studies of diagnos- tic tests. JAMA. 1999;282:1061-6. … Preventive Services Task Force Design-Specific Quality Rating Criteria Systematic reviews Criteria … Indeterminate result handled in a reasonable manner Adequate spectrum of patients included in study Adequate sample … size Administration of reliable screening test RCT � randomized, controlled trial.

46. Final Research Plan: Human Immunodeficiency Virus (HIV): Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan/human-immunodeficiency-virus-hiv-infection-pregnant-nonpregnant-adults
    February 22, 2024 - and large (n≥1,000) controlled observational studies KQ 5: Randomized, controlled trials and large (sample … size ≥1,000) controlled observational studies KQ 1: Uncontrolled observational studies, modeling

47. Screening for Major Depressive Disorder in Children and Adolescents: A Systematic Review for the USPSTF (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/9H5mgkBCjNQVZZ4pnkNo6B
    February 01, 2016 - size, or very nar- rowly selected spectrum of patients. … size between 2000 and 4000 (47). … Author Contributions: Conception and design: V. Forman- Hoffman, E. McClure, C.T. Wood, A.C. … outcome: 29 Wrong timing: 0 Wrong setting: 7 Wrong geographical setting: 0 Wrong study design … : 15 Wrong intervention: 23 Wrong sample size for cohort studies: 0 Wrong publication dates:

48. Archived: Aspirin Use to Prevent Cardiovascular Disease and Colorectal Cancer: Preventive Medication, 1996 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/recommendation/aspirin-prophylaxis-myocardial-infarction-preventive-medication-1996
    January 01, 1996 - The British trial, with a smaller sample size (5139 male physicians <=80 years of age) and a higher dose … of efficacy, the British trial may have failed to demonstrate a significant effect due to inadequate sample … size or other differences in study design (e.g., high dropout rate, higher dose, no placebo). 7 In … Buring JE, Hennekens CH The Women's Health Study: summary of the study design.

49. Archived: Evidence Summary: Preeclampsia: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/preeclampsia-screening-april-2017
    April 25, 2017 - Design: Study did not use an included design. … With Outcome/ Sample Size (%) b RR (95% CI) P Value Intervention Control … Source Location Location of Model Development Study Population Study Period Sample … Size, No. … ), Sample Size Quality Limitations a Consistency US Primary Care Applicability Summary of Findings

50. Draft Research Plan: Human Immunodeficiency Virus (HIV): Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/draft-research-plan/human-immunodeficiency-virus-hiv-infection-pregnant-nonpregnant-adults
    November 30, 2023 - and large (n≥1,000) controlled observational studies KQ 5: Randomized, controlled trials and large (sample … size ≥1,000) controlled observational studies KQ 1: Uncontrolled observational studies, modeling

51. Zyao53-Sqrb6Ozzkzdmjjt (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/ZYao53-sqRb6oZzKzDmjjt
    December 01, 2003 - When sample size was not reported with variance,32,33 baseline sample was used. … Randomized Controlled Trials of Counseling and Behavioral Interventions (cont) Goal and Sample Size … Randomized Controlled Trials of Counseling and Behavioral Interventions (cont) Goal and Sample Size … Randomized Controlled Trials of Counseling and Behavioral Interventions (cont) Goal and Sample Size … In addition, aggregate values of their findings do not reflect variations in RCT sample size, length

52. Evidence Summary: Healthy Diet and Physical Activity for Cardiovascular Disease Prevention in Adults With Cardiovascular Risk Factors: Behavioral Counseling Interventions | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/healthy-diet-and-physical-activity-counseling-adults-with-high-risk-of-cvd
    November 24, 2020 - Dieta Mediterránea (PREDIMED) study 97 was heavily weighted in this analysis because of its large sample … size; however, the association remained statistically significant in a sensitivity analysis excluding … Weight loss trials tended to be smaller (mean sample size, 461, compared with 585 in non–weight loss … First, only a small proportion of trials had sufficient sample size and follow-up time to evaluate CVD … Study design: Not an included study design. Comparative effectiveness: follow-up 6 months or less.

53. Archived: Evidence Summary: Depression in Children and Adolescents: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/depression-in-children-and-adolescents-screening
    February 08, 2016 - size, or very narrowly selected spectrum of patients. … size between 2000 and 4000. 47 Such outcomes as suicidality occur at much lower rates in the control … size, high attrition, and biased ascertainment of the reference standard in screening studies. … outcome, 0 for wrong timing, 7 for wrong setting, 0 for wrong geographical setting, 15 for wrong study design … , 23 for wrong intervention, 0 for wrong sample size for cohort studies, 12 for wrong publication dates

54. Archived: Reducing Risk for Mother-to-Infant Transmission of Hepatitis C Virus: A Systematic Review for the U.S. Preventive Services Task Force: Hepatitis C: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/reducing-risk-for-mother-to-infant-transmission-of-hepatitis-c-virus-a-systematic-review-for-the-us-preventive-services-task-force/hepatitis-c-screening-2013
    November 15, 2012 - sizes. … Data Extraction and Quality Rating One investigator abstracted details about the study design, patient … Mode of Delivery Fourteen observational studies reported in 16 publications (sample sizes of 56 to … Sample sizes ranged from fewer than 50 29 , 31 , 32 to more than 1000 15 . … sizes.

55. Evidence Summary: Speech and Language Delay and Disorders in Children: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/speech-and-language-delay-and-disorders-in-children-age-5-and-younger-screening
    January 23, 2024 - Source, setting Study design … Start Language Measure; SST, Structured Screening Test; WIC, Women, Infants, and Children. a Full sample … size, based on multiple imputation. b Includes 11 children (10.5%) who did not cooperate during screening … Data were included for only the former prevalence. e Sample size and prevalence based on imputed sample … size in 1 study Three of the studies included all screen failures and a random sample of those who passed

56. Archived: Final Research Plan: Abnormal Blood Glucose and Type 2 Diabetes Mellitus: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan16/screening-for-abnormal-blood-glucose-and-type-2-diabetes-october-2015
    August 15, 2013 - There is no sample size cutoff for randomized, controlled trials or any of the other key questions.

57. Screening for Asymptomatic Bacteriuria in Adults: Evidence for the U.S. Preventive Services Task Force Reaffirmation Recommendation Statement (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/RoC9VuSorM_LR7sTvLeFF2
    July 01, 2008 - Data Extraction We abstracted information on sample size, entry crite- ria, demographic characteristics … , comorbid conditions, study design, treatment group allocation, and clinical out- comes of interest. … case report No outcomes (n = 32): Study reported only microbiologic or ecologic outcomes Study design … (n = 4): Benefits: not an RCT, meta-analysis, or systematic review Harms: did not meet study design … the Benefits of Screening and Treatment for Asymptomatic Bacteriuria Author, Year (Reference) Study Design

58. Archived: Final Evidence Summary: Carotid Artery Stenosis: Screening, December 2007 | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary11/carotid-artery-stenosis-screening-december-2007
    December 15, 2007 - Preventive Services Task Force Hierarchy of Research Design and Quality Rating Criteria^{design … based on clinical experience; descriptive studies or case reports; reports of expert committees Design-specific … size or very narrow selected patients   a. … Study Reference Design}

59. Evidence Summary: Chlamydia and Gonorrhea: Screening | United States Preventive Services Taskforce
    www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/chlamydia-and-gonorrhea-screening
    September 14, 2021 - Data Abstraction and Quality Rating A single investigator abstracted details about study design, patient … Sample sizes ranged from 1700 to 63,338 (total n = 70,174). … 23,29,34,37 UK,19,30,31,35,38]] or Canada and were fair quality (eTable 5 in the  JAMA  Supplement). 34 Sample … sizes ranged from 133 to 3974 (total n = 16,204). 19 , 23 , 29-31 , 34 , 35 , 37 , 38 Studies enrolled

60. Behavioral Counseling to Promote a Healthy Diet and Physical Activity for CVD Prevention in Adults With Cardiovascular Risk Factors: Updated Evidence Report and Systematic Review for the USPSTF (pdf file)
    www.uspreventiveservicestaskforce.org/home/getfilebytoken/-97QgoUF_rpQSy-9yM9KCx
    November 24, 2020 - Study design: Not an included study design. Comparative effectiveness: follow-up 6 months or less. … size; how- ever, the association remained statistically significant in a sensitiv- ity analysis excluding … size, median (IQR) [range] 314 (154-601) [24-7447] 272 (197-762) [24-2382] 222 (133-420) [80-1197 … Weight loss trials tended to be smaller (mean sample size, 461, compared with 585 in non–weight loss … First, only a small proportion of trials had sufficient sample size and follow-up time to evaluate CVD