Results

Total Results: 1,230 records

Showing results for "studies".

141. Archived: Final Research Plan: Preeclampsia: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan109/preeclampsia-screening-april-2017
     August 14, 2014 - Include Exclude Population All asymptomatic pregnant women Studies that … Risk assessment tools and risk factors (KQ 2): RCTs, cohort studies, instrument validation studies … , and test accuracy studies Effectiveness of screening for detecting preeclampsia and accuracy of … proteinuria screening tests (KQ 4): RCTs, cohort studies, instrument validation studies, and test accuracy … studies Risk assessment and screening harms (KQs 3, 5): RCTs or observational studies (e.g., case

142. 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
     May 10, 2022 - Study Selection: English-language studies of screening in individuals who do not recognize or report … respiratory symptoms; studies of treatment in persons with mild or moderate, or minimally symptomatic … , and citations provided by experts, to identify major studies published prior to 2015. … The last surveillance, conducted on March 25, 2022, identified no new studies that would meet inclusion … As in the previous review, no treatment studies were identified that were conducted in patients with

143. Archived: Final Research Plan: Syphilis Infection in Nonpregnant Adults and Adolescents: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan95/syphilis-infection-in-nonpregnant-adults-and-adolescents-june-2016
     September 18, 2014 - The key questions examine published research studies linked to aspects of screening and outcomes, including … studies, including cross-sectional and ecological studies Benefits: Observational studies without … comparison groups; case reports Harms: Case studies   Abbreviations: FDA … , that gold standards will be defined by the studies themselves, and the research literature on harms … The contextual questions will be addressed by studies reporting rates and trends of syphilis rather than

144. Archived: Evidence Summary: Supplemental Screening in Women With Dense Breasts: Breast Cancer: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary-supplemental-screening-in-women-with-dense-/breast-cancer-screening-january-2016
     January 11, 2016 - Data Extraction: Quality assessment and abstraction of 24 studies from 7 countries; 6 studies were good-quality … to fair- or good-quality randomized, controlled trials; cohort studies; or diagnostic accuracy studies … HHUS and ABUS Seven studies reported HHUS cancer detection rates, 27 , 28 , 31–33 and 3 studies … All U.S. studies were single-site, retrospective studies, and generally focused on outcomes before and … Our review was limited to studies published in English; studies published in other languages may have

145. Evidence Summary: Iron Deficiency Anemia in Young Children: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary23/iron-deficiency-anemia-in-young-children-screening
     March 30, 2015 - No randomized controlled screening studies are available. … due to the limited number of studies for each Key Question and differences among studies in design, … Although an older meta-analysis of 28 studies (randomized controlled trials and cohort studies) found … Limitations of our report include restricting inclusion of studies published in English and studies conducted … c Some studies are included for >1 Key Question (KQ). d Includes 2 poor-quality studies.

146. Evidence Gaps Research Taxonomy Table: Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/aRJ-3-AWuVvmC_kmoGCVHp
     evidence gaps listed below, the USPSTF provides guidance to researchers and funders on the types of studies … ; nonrandomized studies of interventions with contemporaneous control groups KQ4: Studies from … KQ5: Association studies of intermediate outcomes/health outcomes link (observational studies … ; other controlled observational studies KQ2: Studies from KQ1 and large uncontrolled observational … studies KQ3: Association studies of intermediate outcomes/health outcomes link (observational

147. Final Research Plan: Hypertension in Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan/hypertension-in-adults-screening
     October 04, 2018 - a primary care setting KQ 3: Measuring blood pressure to confirm diagnosis of hypertension Studies … , RCTs, and CCTs KQ 4: RCTs, CCTs, and cohort studies All KQs: Before-after studies, time series … , case series, case reports, case-control studies, and simulation studies KQ 3: Studies with a sample … size <100 KQ 4: Cross-sectional studies Country Studies conducted in countries categorized … For the purposes of inclusivity, reported thresholds from eligible diagnostic accuracy studies for KQs

148. Screening for Obstructive Sleep Apnea in Adults: Updated Evidence Report and Systematic Review for the US Preventive Services Task Force (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/Z6Rfj-qwfoMbuLp-hBmhzS
     May 01, 2021 - RESULTS Eighty-six studies were included (N = 11 051). … For KQ2, prospective cohort studies and cross-sectional studies assessing the accuracy of screening questionnaires … ) included for KQ6 87 Articles (73 studies) included for KQ5 4 Articles (4 studies) included for KQ4 … of studies because some studies were applicable to multiple KQs. … Second, studies that focused on the ben- efits and harms of treatment were limited to studies of interven

149. Reducing Risk for Mother-to-Infant Transmission of Hepatitis C Virus: A Systematic Review for the USPSTF (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/5V8t2G6kCTJU6fLBHnfTuR
     January 01, 2013 - Fourteen studies (2 good-quality, 4 fair-quality, and 8 poor- quality studies) found no clear association … Fourteen studies (2 good-quality, 2 fair-quality, and 10 poor-quality studies) found no association be … We selected for full-review randomized trials, cohort studies, and case– control studies that evaluated … versus less prolonged rupture of membranes Low 2 cohort studies 245 Fair High Direct Low Two studies … shortcomings in the studies.

150. Archived: Final Research Plan: Obstructive Sleep Apnea in Adults: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan142/obstructive-sleep-apnea-in-adults-screening-january-2017
     October 30, 2014 - of adults with acute stroke or other acute conditions that can trigger onset of OSA Studies … of persons with suspected but unconfirmed OSA Setting Studies conducted in countries … ) KQs 4, 5, 8: For nonsurgical treatments, interventions studied only in laboratories (e.g., studies … and cross-sectional studies that developed or evaluated screening questionnaires or clinical prediction … included in KQs 4 or 5 reporting both change in AHI and change in a health outcome KQ 7: Studies

151. Archived: Final Research Plan: Carotid Artery Stenosis: Screening, December 2007 | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan36/carotid-artery-stenosis-screening-december-2007
     January 23, 2014 - Setting Studies conducted in developed countries.   … KQ 3: Studies on accuracy of screening must include a comparison with angiography; studies on reliability … No comparison; nonconcordant historical controls; comparative studies of CEA versus CAAS. … KQ 7: Systematic reviews or multi-institution, prospective studies (RCTs or cohort studies) that report … KQ 8: Systematic reviews or multi-institution, prospective studies (RCTs or cohort studies) that report

152. Archived: Final Research Plan: Carotid Artery Stenosis: Screening, December 2007 | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/ResearchPlanFinal/carotid-artery-stenosis-screening-december-2007
     January 23, 2014 - Setting Studies conducted in developed countries.   … KQ 3: Studies on accuracy of screening must include a comparison with angiography; studies on reliability … No comparison; nonconcordant historical controls; comparative studies of CEA versus CAAS. … KQ 7: Systematic reviews or multi-institution, prospective studies (RCTs or cohort studies) that report … KQ 8: Systematic reviews or multi-institution, prospective studies (RCTs or cohort studies) that report

153. Final Research Plan: Unhealthy Drug Use: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan/drug-use-illicit-screening
     October 20, 2016 - interventions for nondependent drug use, with or without addressing other substances or behaviors Studies … (tobacco or alcohol), severity of the disorder, and presence of comorbid mental health conditions Studies … , case control studies, time series studies, before-after studies with no comparison group, cross-sectional … studies, case studies, case series, editorials/commentaries Country Studies conducted in countries … whose primary results were published from 1992 to present Studies whose primary results were published

154. 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 - trial), case–cohort studies, and nested case–control studies. … We included studies in which some patients had cardiovascular disease at baseline only if the studies … In general, we selected cohort studies over nested case–control studies, good-quality studies over fair … - quality studies, studies that adjusted for more Framingham risk variables, studies with longer follow-up … within studies is low.

155. Archived: Final Evidence Summary: Folic Acid to Prevent Neural Tube Defects: Preventive Medication | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary25/folic-acid-to-prevent-neural-tube-defects-preventive-medication-2009
     May 15, 2009 - Study Selection: English-language randomized, controlled trials; cohort studies; case–control studies … articles and studies. … In general, we selected randomized, controlled trials (RCTs); case–control studies; cohort studies; and … criteria: 27 case-control studies, 4 RCTs, and 10 cohort studies. … Articles included (n = 5); Studies for KQ1 on benefits: 4; Studies for KQ2 on harms:1.

156. 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 - Poor-quality studies were excluded. … Studies ( n = 86 498) provided estimates for Magstream (3 studies; n = 37 330 ), OC-Hemodia (3 studies … (Key question 3a) Colonoscopy 3 retrospective cohort studies, 14 prospective cohort studies … Flexible sigmoidoscopy 2 retrospective cohort studies, 6 prospective cohort studies 5 studies were … , cohort studies; cross-sectional studies; systematically selected case series Any Adverse events

157. Archived: 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: Coronary Heart Disease: Screening Using Non-Traditional Risk Factors | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/c-reactive-protein-as-a-risk-factor-for-coronary-heart-disease-a-systematic-review-and-meta-analyses-for-the-us-preventive-services-task-force/coronary-heart-disease-screening-using-non-traditional-risk-factors-2009
     July 15, 2008 - trial), case- cohort studies, and nested case- control studies. … In general, we selected cohort studies over nested case-control studies, good-quality studies over fair-quality … studies, studies that adjusted for more Framingham risk variables, studies with longer follow-up, and … within studies is low. … sample for case-cohort studies

158. Archived: Screening for HIV in Pregnant Women: Evidence Summary: Human Immunodeficiency Virus (HIV) Infection: Screening | United States Preventive Services Taskforce
     www.uspreventiveservicestaskforce.org/uspstf/document/screening-for-hiv-in-pregnant-women-evidence-summary/human-immunodeficiency-virus-hiv-infection-screening-2013
     November 15, 2012 - No studies No studies Not applicable No studies No studies No studies No study compared clinical … No studies No studies Not applicable No studies No studies No studies No study evaluated … Not applicable No studies No studies No studies No new studies evaluated effects of prenatal … Reference 40 was a randomized trial; all other studies were cohort studies. … , 3 studies on mitochrondrial effects, 4 studies on congenital abnormalities, 2 studies on infant neurodevelopment

159. Folic Acid Supplementation for the Prevention of Neural Tube Defects: An Update of the Evidence (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/y6xRBv7uSZY5bGCx7y48x7
     May 01, 2009 - Study Selection: English-language randomized, controlled trials; co- hort studies; case–control studies … articles and studies. … In general, we selected randomized, controlled trials (RCTs); case– control studies; cohort studies; … criteria: 27 case–control studies, 4 RCTs, and 10 cohort studies. … explicitly stated, studies on first trimester of pregnancy Cleft palate: OR in case–control studies

160. Evidence Gaps Research Taxonomy Table: Research Gaps for Screening for Speech and Language Delay and Disorders in Children (pdf file)
     www.uspreventiveservicestaskforce.org/home/getfilebytoken/T6auAz-64DpreTqycmvSJr
     January 01, 2001 - • These studies should focus on enrolling children from groups with the greatest burden of speech … These types of studies would help to understand if changes in speech and language outcomes translate … Studies should be well designed§ with low risk for bias using contemporaneous comparison … Standardization of outcome measurement across studies would greatly strengthen the evidence base and … trials KQ3: Asymptomatic children age 5 years or younger.** Studies should be representative