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Total Results: 426 records

Showing results for "design sample size".

261. Screening for Syphilis Infection in Nonpregnant Adults and Adolescents: A Targeted Evidence Update for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/CVoJ9fc9nv2Zsgs8R8XabH
     September 01, 2022 - ), we broadened our inclusion criteria to also include quasi-experimental studies (e.g., pre-post design … One fair-quality, pre-post design study examined factors associated with emotional stress related to … care clinics, emergency departments, community settings, and correctional facilities) Study Design … • Was a sample size justification, power description, or variance and effect estimates provided? … • Was the sample size sufficiently large?

262. Physicians’ Roles in Preventing Dental Caries in Preschool Children: A Summary of the Evidence (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/xXX8ZeqpmqtMURtJSfub56
     April 01, 2004 - A quasi-experimental design compared a brief oral health promotional message provided individually by … The evidence for effectiveness of oral Study, year Country Design Age at baseline Fluoride interventions

263. Archived: Evidence Summary: Hepatitis B Virus Infection: Screening, 2014 | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary29/hepatitis-b-virus-infection-screening-nonpregnant-adolescents-adults-may-2014
     May 27, 2014 - Data Abstraction and Quality Rating One investigator abstracted details about the study design, patient … Data Abstraction and Quality Rating One investigator abstracted details about the study design, patient … Study, Year [[Reference]] Design … Duration Country/Region Sample Size, n Age, y * Men, % HBeAg Status at Baseline … population (95 studies), wrong intervention (200 studies), wrong outcome (83 studies), wrong study design

264. 4Zmynqjxlv8G4Lzlrrddrm (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/4zmYnqJXLv8g4LzLrrDDrm
     December 01, 2014 - However, the analyses were confounded by unequal distribution of sample sizes in different dosage categories … Evidence is insufficient because of: the limited number or size of studies; important flaws in study design

265. Evidence Summary: Lung Cancer: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary14/lung-cancer-screening
     March 09, 2021 - First, non–English-language articles were excluded, as were studies with sample size less than 500 or … Randomized study on early detection of lung cancer with MSCT in Germany: study design and results of … The Danish randomized lung cancer CT screening trial: overall design and results of the prevalence round … Design, recruitment and baseline results of the ITALUNG trial for lung cancer screening with low-dose … size; country Mean age (ages eligible), y % Male Baseline smoking status, % Eligibility criteria

266. 8Crjsjsjujfehbpdnupysb (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/8cRJsjSJUjfEhBpDNuPysb
     December 01, 2014 - Evidence is insufficient because of: the limited number or size of studies; important flaws in study design

267. Recommendation: Healthy Weight and Weight Gain In Pregnancy: Behavioral Counseling Interventions | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/recommendation/healthy-weight-and-weight-gain-during-pregnancy-behavioral-counseling-interventions
     May 25, 2021 - Study sample sizes ranged from 50 to 2261; the total number of participants in all included studies was

268. C-Reactive Protein as a Risk Factor for Coronary Heart Disease: A Systematic Review and Meta-analyses for the U.S. Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/khUSqr94jqWPErt9ZRnQ95
     October 01, 2009 - meta-analyses, however, lacked a systematic assessment of the characteristics and quality of study design … We used standardized forms to abstract data on study design, population, size, CRP measurement, Framingham … These criteria are specific to the study design (co- hort or nested case–control) and include such items … Our search and systematic selec- tion identified 23 studies of appropriate design from 24 cohorts. … Author Contributions: Conception and design: D.I. Buckley, K. Rogers, M. Helfand.

269. Archived: Final Evidence Summary: Lipid Disorders in Children: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary34/lipid-disorders-in-children-screening-2007
     July 15, 2007 - Sample size. Administration of reliable screening test. … reasonable although not best standard; interprets reference standard independent of screening test; moderate sample … size (50 to 100 subjects) and a “medium” spectrum of patients. … standard; screening test improperly administered; biased ascertainment of reference standard; very small sample … size of very narrow selected spectrum of patients.

270. Ztmgupsekcuuupvpegum45 (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/ZTMgupsEkCUuuPVpeGUm45
     September 01, 2013 - diagnosed with HCV infection suggest poten- tial negative psychological and social effects, but the sample … sizes were small and the studies had methodological flaws, such as lack of an unscreened comparison … Evidence is insufficient because of: the limited number or size of studies; important flaws in study design

271. Behavioral and Pharmacotherapy Weight Loss Interventions to Prevent Obesity-Related Morbidity and Mortality in Adults: Updated Evidence Report and Systematic Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/boPWHmzrtxnkkPQAoCNENS
     September 18, 2018 - ab- stracts and relevant full-text articles against a priori inclusion and exclusion criteria for design … Excluded study design: Study did not use an included design. <12 months of follow-up: Follow-up for health … diabetes at 3-9 y; no other trial found between-group differences, but trials generally had smaller sample … sizes and shorter follow-up Other intermediate outcomes: Prevalence of hypertension, the metabolic … Concept and design: LeBlanc, Patnode, Webber, O’Connor.

272. Archived: Evidence Summary: Human Immunodeficiency Virus (HIV) Infection: Screening, 2005 | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/human-immunodeficiency-virus-hiv-infection-screening-2005
     July 05, 2005 - Agency staff and USPSTF members participated in the initial design of the study and reviewed interim … Sample size. Administration of reliable screening test. … size (50 to 100 participants), and includes a "medium" spectrum of patients. … size of very narrow selected spectrum of patients. … We assigned quality grades on the basis of a subjective assessment of study design and quality of data

273. Archived: Evidence Summary: Suicide Risk in Adolescents, Adults and Older Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary20/suicide-risk-in-adolescents-adults-and-older-adults-screening
     April 15, 2013 - Two investigators independently assessed the methodological quality of each study by using predefined design-specific … Key Question Population Studies (Observations), n Design … 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.

274. Preeclampsia Screening Evidence Report and Systematic Review for the US Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/LgA7neX9UurPQRh3pJaYXY
     April 25, 2017 - Design: Study did not use an included design. … With Outcome/Sample Size (%)b RR (95% CI) P ValueIntervention Control McDuffie et al,31 1996 RCTc Preeclampsia … Models (Key Question 2) Source Location Location of Model Development Study Population Study Period Sample … Size, No. … Concept and design: All authors. Acquisition, analysis, or interpretation of data: All authors.

275. Archived: Evidence Summary: Hepatitis C Virus Infection: Screening, 2004 | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary/hepatitis-c-virus-infection-screening-2004
     March 08, 2004 - Agency staff and Task Force members participated in the initial design of the study and reviewed interim … clinical outcomes) of non-pegylated interferon monotherapy. 120 The studies were heterogeneous in design … These studies were heterogeneous in design and had some methodologic limitations. … Study (Reference) Setting Sample … Size (Prevalence of Anti-HCV Antibodies) Risk Factors Evaluated Adjusted Odds Ratio for Independent

276. Archived: Evidence Summary: Chronic Obstructive Pulmonary Disease: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/chronic-obstructive-pulmonary-disease-screening-2016
     April 05, 2016 - screen-detected patients are expected to have mild to moderate COPD. 14-17 For KQs 1, 5, and 7, the study design … Otherwise, AHRQ had no role in the design and conduct of the study; collection, management, analysis, … 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

277. Evidence Summary: Healthy Weight and Weight Gain In Pregnancy: Behavioral Counseling Interventions | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/healthy-weight-and-weight-gain-during-pregnancy-behavioral-counseling-interventions
     May 25, 2021 - Data Extraction and Quality Rating One investigator abstracted details about each study’s design, patient … For dichotomous outcomes with at least 5 trials, sufficient sample size, and comparable outcomes, risk … Across all studies, sample sizes ranged from 50 to 2261 (N = 25,789; median n = 230).

278. Evidence Summary: Lipid Disorders in Children and Adolescents: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary/lipid-disorders-in-children-screening
     July 18, 2023 - HEALTHY study rationale, design and methods: moderating risk of type 2 diabetes in multi-ethnic middle … Dietary intervention study in children (DISC) with elevated low-density-lipoprotein cholesterol: design … : 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

279. Vision Screening in Children Aged 6Months to 5 Years: Evidence Report and Systematic Review (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/Jwn6dWRHvK3C9oJCV6hLKc
     September 05, 2017 - Snellen chart) and 0.15 logMAR (between 1 and 2 lines).40-42 Large treatment stud­ ies have calculated sample … size requirements based on the ability to detect a change of at least 0.1 logMAR between treatment … Sample sizes ranged from 6375 to 4040.70,91 About one-third of the studies included participants younger … Concept and design: Jonas, Amick, Wallace, Feltner. … Improving on ETDRS acuities: design and results for a computerised thresholding device.

280. Screening for Hypertension in Adults: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/QaNSteuunshjz-kHPxVvAN
     April 27, 2021 - KQ4 14 Articles excluded for KQ1a 2 Aim 0 Setting 5 Outcomes 0 Population 4 Intervention 3 Study design … Articles assessed for KQ2a 121 Aim 7 Setting 70 Outcomes 185 Population 2 Intervention 20 Study design … Study design: Study did not use an included design. … Summary of Evidence Study design (No. of observations) Summary of findings Consistency and precision … Concept and design: Guirguis-Blake, Evans, Coppola, Weyrich.