Results

Total Results: 426 records

Showing results for "design sample size".

221. Evidence Summary: Hypertension in Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/hypertension-in-adults-screening
     April 27, 2021 - Randomised controlled trial of treatment for mild hypertension: design and pilot trial: report of Medical … Blood pressure checks and diagnosing hypertension (BP-CHECK): Design and methods of a randomized controlled … Study design: Study did not use an included design. … Evidence Study design … not control for confounders Sleep disturbance and tolerability studies limited by cross-sectional design

222. Archived: Colorectal Cancer: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/recommendation/colorectal-cancer-screening-june-2016
     June 15, 2016 - however, the USPSTF appreciates the challenges inherent in performing such trials, given the large sample … sizes and long time horizons required. … the investigators adjusted for known potential risk factors for colorectal cancer, given the study design … In addition, it is unclear based on the study design whether the benefit accrued from 1 or multiple colonoscopies … The NordICC Study: rationale and design of a randomized trial on colonoscopy screening for colorectal

223. Evidence Summary: Iron Deficiency and Iron Deficiency Anemia During Pregnancy: Screening and Supplementation | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/iron-deficiency-anemia-in-pregnant-women-screening-and-supplementation
     August 20, 2024 - Extraction and Quality Rating A single investigator abstracted details from each study including study design … 48 , 49 the others were conducted in Hong Kong, 24 Australia, 34 or Europe. 23 , 28 , 37 , 41 Sample … sizes ranged from 52 to 12,513 participants (total n = 23,844). … Four studies had more than 1000 participants; 3 were added for this update, had the largest sample sizes … with graphical or statistical methods 54 because of small numbers of studies and differences in study design

224. Archived: Evidence Summary: Impaired Visual Acuity in Older Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/impaired-visual-acuity-in-older-adults-screening-2016
     March 01, 2016 - Size Reference Standard Target Vision Condition Screening Test Sensitivity (95% CI … a All studies had a cross-sectional design. … Size Interventions and Follow-up Age, y Female Race Clinical Factors Vision-Related … had relatively mild visual impairment at baseline) Neither trial was designed to assess harms and sample … sizes were relatively small (n = 94 and 300).

225. Archived: Evidence Summary: Tobacco Smoking Cessation in Adults, Including Pregnant Women: Behavioral and Pharmacotherapy Interventions | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/behavioral-counseling-and-pharmacotherapy-interventions-for-/tobacco-use-in-adults-and-pregnant-women-counseling-and-interventions-september-2015
     September 21, 2015 - any new trials would have little bearing on the overall results of our synthesis, regardless of sample … size or effect estimates. … alone or usual care 20 5870 No meta-analysis conducted due to small number of studies, small sample … sizes, and differences in study design and intervention; results reported narratively. … Sample Size, n Population Intervention Control Outcomes for Smoking Cessation Other

226. Grnjnsmqzvbc-Dnhgrmgg3 (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/gRNjNsmqZvBC-DnHGRMgG3
     December 01, 2014 - Data Abstraction and Quality Rating A single investigator abstracted details about study design, patient … Author Contributions: Conception and design: B. Zakher, A.G. Cantor, M. Pappas, H.D. Nelson.

227. Qd4Zm2Uk2Ldubpa9Yyfbrm (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/Qd4Zm2Uk2LDuBPa9yyFBRM
     January 01, 2014 - Evidence is insufficient because of: the limited number or size of studies; important flaws in study design

228. Archived: Final Evidence Summary: Sexually Transmitted Infections: Behavioral Counseling | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary44/sexually-transmitted-infections-behavioral-counseling-2008
     October 15, 2008 - Thus, all 3 of these trials had limitations in study design that may have limited their ability to detect … and colleagues 21 , was probably not powered to show a difference in STI incidence, given the small sample … size, relatively short follow-up, and low percentages of incident STI. … pregnancy in adolescents receiving a low-intensity counseling intervention, which also had a smaller sample … size and fewer reported pregnancies.

229. Archived: Evidence Summary: Osteoporosis: Screening 2011 | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary6/osteoporosis-screening-2011
     July 06, 2010 - alternative pooling methods (Peto OR, 0.84 [CI, 0.72 to 0.98); fixed-effects Mantel-Haenszel with inverse sample … size continuity correction RR, 0.86 [CI, 0.74 to 0.99]) ( Appendix Table 3 ) A sensitivity analysis … Mantel-Haenszel relative risk, fixed-effects model, variable continuity correction (added inverse of the sample … 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 … Wrong study design: 60. Wrong publication type: 69.

230. Serological Screening for Genital Herpes: A Reaffirmation Evidence Update for the U.S. Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/XW6XUe2wRmkM-6Rrbn_462
     February 01, 2023 - Because of the study design and outcome measures, it was impossible to estimate a magnitude of effect … Sample sizes were small, and overall attrition was >20% in both trials. No new evidence. … 2, or Both Serological Screening for Genital Herpes 34 RTI-UNC EPC Source Author, Year Study Design … • Sample size: Although this is one of the criteria listed in the current procedures manual, we … did not consider sample size when assessing study quality, because sample size affects precision of

231. Screening for Lipid Disorders in Children and Adolescents: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/rQBBkz9CrHh4vp7ZnEkF-t
     July 18, 2023 - : Study did not use an included design. … intensity Short-term follow-up (one 2-y trial but all other trials <6 mo) No health outcomes Small sample … sizes (range, 50-214) Moderate for benefit Children and adolescents aged 6-18 y with FH defined using … Concept and design: Guirguis-Blake, Evans, Coppola. … HEALTHY study rationale, design and methods: moderating risk of type 2 diabetes in multi-ethnic middle

232. 3W8Wr9Wwayaqujwmjo Bl- (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/3w8Wr9wwAyAqUJWmJo_bL-
     February 01, 2014 - Data Extraction: Individual investigators extracted data on partici- pants, study design, analysis, follow-up … Studies of any design were included if they described potential adverse effects, including inaccurate … Data Abstraction and Quality Assessment An investigator abstracted data about the study design and setting … Summary of Evidence New Studies* Design Limitation Consistency Applicability Overall Quality Finding … Pacific Northwest Evidence-based Practice Center, Oregon Health & Science Table —Continued New Studies* Design

233. Screening for Intimate Partner Violence and Abuse of Elderly and Vulnerable Adults: USPSTF Recommendation Statement (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/aSTzfuKHZtT8_PjfJjuck5
     March 01, 2013 - Evidence is insufficient because of: the limited number or size of studies; important flaws in study design … Eleven of the studies were de- scriptive in design and 3 were randomized, controlled tri- als. … The other studies were all descriptive in design, but none reported harms from screening.

234. Archived: Evidence Summary: Statins for Prevention of Cardiovascular Disease in Adults: Statin Use for the Primary Prevention of Cardiovascular Disease in Adults: Preventive Medication | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary-statins/statin-use-in-adults-preventive-medication-november-2016
     November 13, 2016 - Data Abstraction and Quality Assessment One investigator abstracted details about the study design, … of cardiovascular disease at baseline (38), wrong intervention (8), wrong outcomes (46), wrong study design … No. of Studies and Study Design … Sample Size Summary of Findings Consistency a Applicability Limitations Overall Quality

235. Evidence Summary: Hepatitis B Virus Infection in Adolescents and Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/hepatitis-b-virus-infection-screening
     December 15, 2020 - Data Abstraction and Quality Rating One investigator abstracted details about the study design, patient … Sample sizes ranged from 63 to 1531 patients (total n = 3893), and the duration of follow-up ranged from … The trials were not designed to assess these outcomes because of small sample sizes and insufficient

236. Evidence Summary: Cardiovascular Disease: Risk Assessment With Nontraditional Risk Factors | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary--html/cardiovascular-disease-screening-using-nontraditional-risk-assessment
     July 10, 2018 - infarction and mortality at 4 years between the 2 groups; however, the trial did not have adequate sample … size and length of follow-up to detect differences in these outcomes, as the primary outcome of this … Study design: Study did not use an included design. Quality: Study was poor quality. … screening vs those who did not Consistency NA Precision NA NA Fair Single trial; insufficient sample … size and length of follow-up to detect differences in patient health outcomes US-based trial, volunteer

237. Archived: Evidence Summary: Alcohol Misuse: Screening and Counseling | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/alcohol-misuse-screening-and-counseling-2004
     April 06, 2004 - size. … groups that could affect results, even though not statistically significant, possibly because of small sample … sizes. … groups that could affect results, even though not statistically significant, possibly because of small sample … sizes.

238. Nontraditional Risk Factors in Cardiovascular Disease Risk Assessment: Updated Evidence Report and Systematic Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/_nVeFxDCT9L-_cnDf_V3fK
     July 17, 2018 - Study design: Study did not use an included design. Quality: Study was poor quality. … infarc- tion and mortality at 4 years between the 2 groups; however, the trial did not have adequate sample … size and length of follow-up to detect differences in these outcomes, as the primary outcome of this … size and length of follow-up to detect differences in patient health outcomes US-based trial, volunteer … Concept and design: Lin, Evans, Coppola.

239. Archived: Evidence Summary: Chlamydia and Gonorrhea: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary3/chlamydia-and-gonorrhea-screening-september-2014
     September 23, 2014 - Data Abstraction and Quality Rating A single investigator abstracted details about study design,

240. Archived: Evidence Summary: Skin Cancer: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/skin-cancer-screening-july-2016
     July 26, 2016 - Key data were extracted on study characteristics, study design elements, outcomes for screening studies … tables were created to capture study characteristics and sources of heterogeneity (eg, study quality, sample … size, geographic location, age, and sex). … However, study design limits assessment of the intervention in the absence of a comparison population … Design: Study did not use an included design.