Results

Total Results: 426 records

Showing results for "design sample size".

201. Recommendation: Vision in Children Ages 6 Months to 5 Years: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/recommendation/vision-in-children-ages-6-months-to-5-years-screening
     September 05, 2017 - Study sample sizes ranged from 63 to 4040 participants. … One trial compared patching plus eyeglasses vs eyeglasses alone vs no treatment. 1 , 37-39 Study sample … sizes ranged from 60 to 180 participants. 1 One of the 3 trials (evaluating patching plus eyeglasses

202. Archived: Final Evidence Summary: Obesity in Adults: Screening and Management | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary38/obesity-in-adults-screening-and-management-2012
     October 15, 2011 - Articles were rated as good, fair, or poor by using design-specific criteria. … For included studies, one investigator abstracted data on study design, setting, population characteristics … mean BMIs ranging from 25 to 39 kg/m 2 , with an average baseline BMI across all trials (weighted for sample … size) of 31.9 kg/m 2 . … Design and methods for a clinical trial in the prevention of type 2 diabetes.

203. Screening for Lung Cancer With Low-Dose Computed Tomography: Updated Evidence Report and Systematic Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/ghbfx9e3A6jQEqVW26y8Jv
     March 09, 2021 - Tomography 9329 Excluded 1989 Full-text articles excluded 934 Ineligible population 290 Ineligible sample … size 179 Ineligible outcome(s) 162 Ineligible study design 103 Ineligible intervention 91 Ineligible … Screening With LDCT Compared With Chest Radiography or With No Screening Source Recruitment years Sample … size; country Mean age (ages eligible), y % Male Baseline smoking status, % Eligibility criteria … First, non–English-language articles were excluded, as were studies with sample size less than 500 or

204. Screening for Chlamydial Infection: Recommendation Statement (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/mkAgTNR-2jobBcN-2Ysxfb
     July 01, 2007 - Evidence is insufficient because of: the limited number or size of studies important flaws in study design

205. Screening for HIV: Systematic Review to Update the 2005 USPSTF Recommendation (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/dvcAbDQWejyK38oxF8qgka
     November 01, 2012 - Sample sizes ranged from 93 to 3408 couples, with typical follow-up between 1 and 3 years (range, 3 months … Similarly, the NA-ACCORD (North American AIDS Cohort Collaboration on Research and Design) (44), with … Sample sizes ranged from 2952 to more than 30 000 persons. … Author Contributions: Conception and design: R. Chou, P.T. Korthuis. … for key question: 149 No original data: 69 Inadequate duration: 25 Sample size too small: 4 Full-text

206. Screening for Chronic Obstructive Pulmonary Disease: Evidence Report and Systematic Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/BhnZRA--TRpXdg9_tYmZ_M
     April 05, 2016 - Study design: study did not use an included design. … single subanalysis identified for most drug classes and outcomes Most subanalyses limited by small sample … sizes, short trial durations, post hoc or unspecified analysis timing, and lack of statistical testing … Study concept and design: All authors. … Otherwise, AHRQ had no role in the design and conduct of the study; collection, management, analysis,

207. Genetic Risk Assessment and BRCA Mutation Testing for Breast and Ovarian Cancer Susceptibility: Systematic Evidence Review (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/3HxQuXnyqHpUKNqjB7hWBw
     September 01, 2005 - Agency staff and Task Force members participated in the initial design of the study, and, along Table … Sample size. 7. 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.

208. Screening for and Treatment of Suicide Risk Relevant to Primary Care: A Systematic Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/vxPM4Bo9RXZGUDH6MWnDht
     May 01, 2013 - Summary of Evidence Key Question Population Studies (Observations), n Design Major Limitations Key … United States; only trial that involved population-based screening was done in Sri Lanka (63) Fair Sample … sizes were insufficient to determine group differences in suicide deaths. … Author Contributions: Conception and design: E. O’Connor, B.N. Gaynes, C. Soh, E.P. Whitlock. … 14 Setting: 8 Comparative effectiveness: 8 Target: 0 Outcomes: 19 Population: 2 Intervention: 31 Design

209. Evidence Summary: Colorectal Cancer: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary19/colorectal-cancer-screening
     May 18, 2021 - Studies whose design was subject to a high risk of bias were excluded, including those studies subject … Data Synthesis and Analysis The results were synthesized by KQ, type of screening test, and study design … a registry follow-up for screen-negative persons were included, only results from the former study design … Empirical evidence of design-related bias in studies of diagnostic tests. … Design: Study did not use an included design.

210. Archived: Screening for HIV in Adolescents and Adults: Evidence Summary: Human Immunodeficiency Virus (HIV) Infection: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/screening-for-hiv-in-adolescents-and-adults-evidence-summary/human-immunodeficiency-virus-hiv-infection-screening-2013
     November 20, 2012 - Data Extraction and Quality Assessment One investigator abstracted details about the study design, … Sample sizes ranged from 93 to 3408 couples, with typical follow-up between 1 and 3 years (range, 3 months … Similarly, the NA-ACCORD (North American AIDS Cohort Collaboration on Research and Design), 44 with … Sample sizes ranged from 2952 to more than 30,000 persons. … for key question (149), no original data (69), inadequate duration (25), and sample size too small (

211. Recommendation: Weight Loss to Prevent Obesity-Related Morbidity and Mortality in Adults: Behavioral Interventions | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/recommendation/obesity-in-adults-interventions
     September 18, 2018 - participants had elevated clinical or subclinical risk of cardiovascular disease or cancer. 1 Trial sample … sizes ranged from 30 to 2161. … One trial enrolled participants with cardiovascular risk factors. 1 Trial sample sizes ranged from 92

212. Archived: Evidence Summary: Sexually Transmitted Infections: Behavioral Counseling | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary1/sexually-transmitted-infections-behavioral-counseling-september-2014
     September 22, 2014 - Evaluating a two-step approach to sexual risk reduction in a publicly-funded STI clinic: rationale, design … Design of a stage-matched intervention trial to increase dual method contraceptive use (Project PROTECT … ] Population, n Trials and Observations, n Study Design

213. JAMA (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/GcjfCZtGpACQMv2KScLbEu
     June 11, 2019 - for KQ 9 Not a study 1 Inadequate duration 1 Inadequate sample size 6 Wrong country 15 Did not adjust … Sample sizes ranged from 183 to 13 124 (total n = 71 472). … Summary of Evidence No. of Studies; No. of Participants; Study Design Summary of Findings by Outcome … Summary of Evidence (continued) No. of Studies; No. of Participants; Study Design Summary of Findings … Concept and design: Selph, Chou.

214. Effectiveness of Primary Care–Relevant Treatments for Obesity in Adults: A Systematic Evidence Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/hbSopN6uA9u-4EQuKtRGDP
     October 01, 2011 - Articles were rated as good, fair, or poor by using design-specific criteria. … mean BMIs ranging from 25 to 39 kg/m2, with an average baseline BMI across all trials (weighted for sample … size) of 31.9 kg/m2. … Design and methods for a clinical trial in the prevention of type 2 diabetes. … Author Contributions: Conception and design: E.S. LeBlanc, E. O’Connor, E. Whitlock, C.D. Patnode.

215. Final Evidence Summary: Unhealthy Drug Use: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/drug-use-illicit-screening
     June 09, 2020 - Both methadone trials used an unblinded design—one trial compared methadone vs usual care and the other … Design of the NIDA clinical trials network validation study of Tobacco, Alcohol, Prescription Medications … Design of NIDA CTN Protocol 0047: screening, motivational assessment, referral, and treatment in emergency … brief intervention in primary care for problem drug use in a randomized controlled trial: rationale, design … Study design: Not a randomized clinical trial or case-crossover trial (KQs 1, 3, 4, 5); not a large cohort

216. Evidence Summary: Skin Cancer Prevention: Behavioral Counseling | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/skin-cancer-counseling
     March 20, 2018 - least 2 reviewers critically appraised all articles that met inclusion criteria based on the USPSTF design-specific … Tables included details on study design and quality, setting and population (eg, country, inclusion criteria … These tables included the number and design of included studies, summary of results, reporting bias, … Otherwise, AHRQ had no role in the design and conduct of the study; collection, management, analysis, … Design: Study did not use an included design.

217. Procedure Manual Section 3. Topic Work Plan Development | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/about-uspstf/methods-and-processes/procedure-manual/procedure-manual-section-3-topic-work-plan-development
     June 22, 2025 - Further details about the design of analytic frameworks are provided in a 1994 paper by Woolf et al. … Such criteria might include study design (RCTs, cohort studies), setting, sample size, population studied … already represented in a good-quality, existing systematic review. 3.5.2 Use of Topic Experts By design

218. Archived: Final Evidence Review: Genital Herpes: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-review55/genital-herpes-screening-2005
     March 15, 2005 - However, data from reported cases do not represent a sufficient sample size for reaching reliable and … Study/Year N Population Antiviral/Dose Design … Study/Year N Population Antiviral/Dose Design

219. Folic Acid for the Prevention of Neural Tube Defects: Recommendation Statement (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/B8omJCgNDKfJLVXCz6nFw-
     May 01, 2009 - Evidence is insufficient because of: the limited number or size of studies important flaws in study design

220. Screening for Hepatitis B Virus Infection in Pregnant Women: US Preventive Services Task Force Reaffirmation Recommendation Statement (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/gYdxwvAQZ73SApY2Hosz_d
     October 11, 2019 - Evidence is insufficient because of the limited number or size of studies. important flaws in study design