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Total Results: 426 records

Showing results for "design sample size".

161. Screening for Ovarian Cancer: Evidence Update for the USPTF Reaffirmation Recommendation Statement (pdf file)
     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 design … Design of the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial.

162. 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

163. 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.

164. Final Evidence Summary: Illicit Drug Use in Children, Adolescents, and Young Adults: Primary Care-Based Interventions | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/other-supporting-document19727/drug-use-illicit-primary-care-interventions-for-children-and-adolescents
     September 03, 2020 - Data Extraction and Quality Assessment Two reviewers applied USPSTF design-specific criteria (eTable … Study design details were abstracted, along with population characteristics, intervention characteristics … The Family Spirit trial for American Indian teen mothers and their children: CBPR rationale, design, … Study design: Not a randomized clinical trial or controlled clinical trial.

165. Archived: Final Evidence Summary: Dental Caries in Preschool Children: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary19/dental-caries-in-preschool-children-screening-2004
     April 15, 2004 - A quasi-experimental design compared a brief oral health promotional message provided individually by … Study, year Country Design … Age at baseline Fluoride interventions Other F exposure Blinding Attrition, % Sample size

166. Screening for HIV in Pregnant Women: Systematic Review to Update the 2005 USPSTF Recommendation (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/mTPBWPMDqfuWvodfd5R5Ms
     November 01, 2012 - Sample sizes ranged from 57 to 8793 participants. … 2012 Annals of Internal Medicine Volume 157 • Number 10 W-237 Author Contributions: Conception and design … Excluded articles (n = 344) 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 Systematic review

167. Collaborative Modeling of U.S. Breast Cancer Screening Strategies (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/nmcMhEwWT9BncBBBQQN6Uf
     December 01, 2015 - Collaborative Modeling of U.S. Breast Cancer Screening Strategies Technical Report Collaborative Modeling of U.S. Breast Cancer Screening Strategies Prepared for: Agency for Healthcare Research and Quality U.S. Department of Health and Human Services 540 Gaither Road Rockville, MD 20850 Prepared by: Writi…

168. Archived: Final Evidence Summary: Diabetes Mellitus (Type 2) in Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary23/diabetes-mellitus-type-2-in-adults-screening-2008
     June 15, 2008 - Rationale, design and recruitment characteristics of a large, simple international trial of diabetes … Study design and 1-year interim report on the feasibility of the lifestyle intervention programme. … Size (Diabetes Subgroup/Total), n/n Baseline Cardiovascular Risk Factors b Achieved Blood Pressure … Size (Diabetes Subgroup/Total), n/n Baseline Cardiovascular Risk Factors b Mean Achieved LDL-C … Size, n Mean Length of Follow-up Sample Characteristics b Intervention Outcomes DPP,

169. Szn5Hhs8W5Sar6Bbpabsab (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/sZN5HHS8w5Sar6bBPabsaB
     June 01, 2008 - Size (Diabetes Subgroup/ Total), n/n Baseline Cardiovascular Risk Factors† Achieved Blood Pressure … Lipid Interventions in Diabetic and Nondiabetic Populations* Study, Year (Reference) Intervention Sample … Size (Diabetes Subgroup/ Total), n/n Baseline Cardiovascular Risk Factors Mean Achieved LDL-C Level … Controlled Trials of Interventions in Prediabetes* Study, Year (Reference) Country Quality Rating Total Sample … Size, n Mean Length of Follow-up Sample Characteristics† Intervention Outcomes DPP, 2000 (156, 157)

170. JAMA (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/UaT8AVUSVQwSduNs8TA-_e
     June 09, 2020 - accuracy of 15 different screening tools in nonpregnant adults.12,37 There was con- siderable variation in sample … size (139 to 2057, not including a large US-based national sample of 42 923), proportion of female partici … Sample sizes ranged from 31 to 306 (total N = 1718 participants). … Sample sizes ranged from 34 to 1175 (total N = 15 659).

171. Collaborative Modeling of U.S. Breast Cancer Screening Strategies (pdf file)
     www.uspreventiveservicestaskforce.org/Home/GetFile/1/16255/collabmodelingbc/pdf
     December 01, 2015 - Collaborative Modeling of U.S. Breast Cancer Screening Strategies Technical Report Collaborative Modeling of U.S. Breast Cancer Screening Strategies Prepared for: Agency for Healthcare Research and Quality U.S. Department of Health and Human Services 540 Gaither Road Rockville, MD 20850 Prepared by: Writi…

172. Evidence Summary: Unhealthy Alcohol Use in Adolescents and Adults: Screening and Behavioral Counseling Interventions | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/unhealthy-alcohol-use-in-adolescents-and-adults-screening-and-behavioral-counseling-interventions
     November 13, 2018 - Design of the NIDA clinical trials network validation study of Tobacco, Alcohol, Prescription medications … Design: Study did not use an included design. Quality: Study was poor quality. … Studies (Design), No. of Participants Summary of Findings Consistency and Precision Limitations

173. Interventions to Prevent Illicit and Nonmedical Drug Use in Children, Adolescents, and Young Adults: Updated Evidence Report and Systematic Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/oaVhMNVAnx3b5-UUunZkjr
     December 17, 2018 - Study design: Not a randomized clinical trial or controlled clinical trial. … Data Extraction and Quality Assessment Two reviewers applied USPSTF design-specific criteria (eTable … Study design details were abstracted, along with population characteristics, intervention characteristics … Concept and design: O’Connor, Patnode. … The Family Spirit trial for American Indian teen mothers and their children: CBPR rationale, design,

174. Screening for Skin Cancer: An Update of the Evidence (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/LgBN7_z7hqynt6BRzUUYA-
     February 01, 2009 - Limitations of the research design include potential selection bias of case patients and control participants … 25) However, the incidence of mela­ noma and mortality are higher in Australia, requiring a smaller sample … size.

175. Evidence Summary: Prostate Cancer: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/prostate-cancer-screening
     May 08, 2018 - For KQ4 (treatment harms), uncontrolled observational studies with sample sizes of at least 100 men were … Small sample sizes inhibit ability to detect increased mortality after biopsy. … Few studies; small sample sizes; varying outcome definitions; inconsistent timing of follow-up measurements … No studies compared HIFU with conservative management; only 1 study had a sample size exceeding 1000 … Study design: design did not meet inclusion criteria for key question.

176. Qz-N4Vdvgzssghretdokg7 (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/QZ-N4vDvgZSsghretDokg7
     March 01, 2014 - excluded at title/abstract stage (n = 2519) Excluded (n = 49) Relevance: 0 Setting: 1 Population: 1 Design … Comparison: 0 AAA diameter: 1 Screening tool: 0 Excluded (n = 22) Relevance: 0 Setting: 2 Population: 0 Design … Comparison: 0 AAA diameter: 3 Screening tool: 0 Excluded (n = 9) Relevance: 0 Setting: 0 Population: 0 Design … This is not surprising given its disproportionately large sample size. … Author Contributions: Conception and design: J.M. Guirguis-Blake, T.L. Beil, C.A. Senger, E.P.

177. Evidence Summary: Obstructive Sleep Apnea in Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary29/obstructive-sleep-apnea-in-adults-screening
     November 15, 2022 - change 114 , 115 or a 3- to 4-point change should be the clinically significant threshold for its sample … size calculations or interpretation of findings. 144-146 Also, the American College of Chest Physicians … for obstructive sleep apnoea: results of a randomised placebo controlled trial using parallel group design … (total sample size) by test or outcome Summary of findings by test or outcome Consistency and precision … size and risk of bias due to unclear methods for calculating accuracy of OSA categories Insufficient

178. Screening for Postmenopausal Osteoporosis: A Summary of the Evidence (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/2kM7LY6ccceVo8bmdUXhYm
     September 01, 2002 - Agency staff and Task Force members participated in the initial design of the study and reviewed interim … factors assessment (continued) Screening for Postm enopausal O steoporosis 226 Quality Author Design … Problems in the design and reporting of trials of antifungal agents encountered during meta-analysis. … indeterminate results in a reasonable manner. • Spectrum of patients included in study. • Adequate sample … size • Administration of reliable screening test.

179. Evidence Summary: Gestational Diabetes: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/gestational-diabetes-screening
     August 10, 2021 - Two reviewers independently assessed the methodological quality of eligible studies using design-specific … previous USPSTF review evaluating selected women showed no significant effect of screening; however, sample … sizes were small and estimates imprecise. … Across 45 prospective cohort studies on diagnostic accuracy, mean sample size was 500 (range, 42-24,854 … Mean sample size was 326 (range, 21-1000), mean age was 29.2 years (range, 26.3-32.6), and mean BMI was

180. ahrq29a - Screening for Hepatitis C Virus Infection: A Review of the Evidence for the U.S. Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/We5A-uCMvX5qYeFukGgqks
     March 01, 2004 - Size Adjusted Odds Ratio for (Prevalence of Independent Risk Factors for Study (Reference) Anti-HCV … C Virus Antibody HCV = hepatitis C virus continue 4 Screening for Hepatitis C Virus Infection Sample … Size Adjusted Odds Ratio for (Prevalence of Independent Risk Factors for Study (Reference) Anti-HCV … Size Adjusted Odds Ratio for (Prevalence of Independent Risk Factors for Study (Reference) Anti-HCV … These studies were heterogeneous in design and had some methodologic limitations.