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www.uspreventiveservicestaskforce.org/home/getfilebytoken/SJbAXUAQTv2GWemMuBab6W
April 08, 2025 - studies. … Just more than one-third of studies took place in the United
States (33); the remaining studies took … place in settings in Europe
(23 studies), Asia (17 studies), Australia or New Zealand (10 stud-
ies), … or Canada (7 studies). … facility (29 studies).
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/gWJU-ZynehGyLBVYtDmMow
May 01, 2009 - Randomized, controlled trials;
meta-analyses; systematic reviews; cohort studies; and ecologic
studies … Random-
ized, controlled trials; meta-analyses; systematic reviews; cohort
studies; case–control studies … We excluded studies in high-risk or
special populations and studies in populations not general-
izable … We specifically excluded studies in
populations with high HIV rates, because these studies are
thought … After we excluded studies on the basis of predeter-
mined criteria (Figure), 5 studies remained (Table
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April 05, 2016 - STUDY SELECTION Two reviewers independently screened abstracts and studies. … , and cohort studies were considered. … studies. … ; however, other studies in-
cluded patient-reported increase in symptoms. … Conducted in Australia,
Sweden for pre-BD studies;
Greece for post-BD.
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www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan16/screening-for-abnormal-blood-glucose-and-type-2-diabetes-october-2015
August 15, 2013 - What is the utility of existing modeling studies of type 2 diabetes screening versus no screening in … ; systematic reviews; and large longitudinal studies. … for controlled studies, or at least 5,000 participants for uncontrolled studies
KQ 7: All of the … The USPSTF clarified that the decision to only include large studies is intended for the key question … on harms of treatment only and limited to observational studies.
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www.uspreventiveservicestaskforce.org/uspstf/document/evidence-summary10/aspirin-for-the-prevention-of-cardiovascular-disease-preventive-medication-2009
March 15, 2009 - Only 2 of the 5 studies included women. … We limited our search to English-language studies, human studies, and studies of nonpregnant adults and … We excluded studies of poor quality. … We ultimately included 4 studies, which we discuss. … criteria, or standard appraisal of studies.
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/t6yV6ZMHngeWgmTsoMMefM
March 01, 2009 - Only 2 of the 5 studies included women. … We limited our search
to English-language studies, human studies, and studies of
nonpregnant adults and … We excluded studies of poor
quality. … We ultimately included 4 studies, which we dis-
cuss. … criteria, or standard appraisal of studies.
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/yj6JY8HJZtbnv5qDPxS3PX
evidence gaps listed below, the USPSTF provides guidance to
researchers and funders on the types of studies … Gap‡
Study
Characteristics
Population
Intervention/
Comparison
Outcomes/ Timing Setting
Studies … KQ2 Indirect Grade
assignment
Randomized
trials, Cross-
sectional and
cohort studies of
diagnostic … KQ2
Direct and
indirect
Grade
assignment
Randomized and
non-randomized
studies
Adults (age … KQ 1,3,4,5
Direct and
indirect
Grade
assignment
Randomized and
non-randomized
studies
Adults
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/ghbfx9e3A6jQEqVW26y8Jv
March 09, 2021 - Clinical
trial registries were searched for unpublished studies. … These studies evaluated general
health-related quality of life (HRQoL; 3 studies),101,104,107 anxiety … (8 studies),62,101-107 depression (2 studies),62,102 distress (3
studies),62,104,107 and other psychosocial … Most findings from these studies
also showed improved NNS
Harms: studies of all models reported similar … from 0% to 4% in most studies;
rates of 90-d mortality were slightly higher (range,
2%-5% in most studies
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May 01, 2021 - Most studies included primarily adolescents
(aged 12 to 18 years; mean age, 14.8 years); 4 studies included … Studies used 12 screening instruments to screen for 6 anxiety
conditions (global anxiety, GAD, panic … Only 1 or 2 studies used each screening instrument for a given
disorder. … Three studies included young
children aged 3 to 7 years, 4 studies included adolescents aged
13 to 20 … years, and 22 studies focused on older children (aged 6
to 14 years [11 studies]) or children and adolescents
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www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan/genital-herpes-screening-november-2016
August 06, 2015 - Analytic Framework
*Studies … † Eligible studies with mixed populations (e.g., studies that enroll a subset of participants who … ‡ Studies that test for both HSV-1 and HSV-2 (simultaneously) will not be excluded if they meet the … are no exclusion criteria for the date of publication for eligible studies for KQs 2 and 3. … If a recent good-quality systematic review is identified, relevant primary studies published since the
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July 01, 2009 - In addition, studies not published
in English and studies of community- or home-based screening
were … ( n = 2)
Catarac t
RCT s ( n = 2)
SR (of observational studies )
( n = 1)
Observational studies … We excluded studies of strictly
community- or home-based vision screening but in-
cluded mixed studies … 8 studies of diagnostic
accuracy
Fair Methodological shortcoming
in trials; no studies
assessed accuracy … of LASIK;
keratitis rates range from 0% to 3.4% in
6 studies of LASIK and 4 studies of
LASEK
AMD �
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December 01, 2007 - In
general, studies were selected if they were large, multi-
institution, prospective studies that reported … Thirteen observational studies were sec-
ondary analyses of administrative databases: 2 studies used … The studies included patients who did
and did not have neurologic symptoms, but we reviewed
only studies … Six of the studies collected informa-
tion on race; in those studies, most participants were white
(range … The systematic review of 103 studies found an overall
stroke and death rate at 30 days of 3.0% in studies
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www.uspreventiveservicestaskforce.org/home/getfilebytoken/8dzfZ_s3tZueoEh5Xzh-3A
July 26, 2016 - studies were
included for all key questions. … For
studies focusing on morbidity and mortality, studies of skin cancer
mortality, all-cause mortality … For studies on early detection of skin cancer, studies that
evaluated either American Joint Committee … ; poor-quality studies were ex-
cluded. … Consistency
among studies
was high.
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October 01, 2015 - Several studies reported inconsistent findings on these
health outcomes. … Change in Iron Status
No studies were found that directly assessed the
association between change in … Studies used varying doses of iron, ranging from 20 to
200 mg per day. … These studies assess the effects of the preventive service on health
outcomes. … This conclusion is therefore unlikely to be strongly affected by the results of future studies.
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January 01, 2010 - There was no
significant difference in the results when poor studies
were excluded. … Breastfeeding intervention studies often
combined interventions. … Main Effects (Meta-regression) Combined Effects
Education
Studies Education Support Studies Plus Support … ,61 their impact in studies
of clinic-based behavioral counseling is uncertain. … , all
studies were pooled to display mean differences and
confidence boundaries.
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August 01, 2015 - However, the USPSTF found no
studies on these harms. … Studies on
the potential harms of screening and
interventions are also needed. … The review
excluded studies that focused on
acquired, focal causes of speech and
language delay. … The majority of
studies included 2- and 3-year-olds,
but the ages varied. … ;
however, individual studies used
different reference standards.
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www.uspreventiveservicestaskforce.org/uspstf/document/final-evidence-summary45/skin-cancer-counseling-2012
May 15, 2012 - For key questions 4 and 5, we included trials, cohort studies, and population-based case-control studies … The ORs and risk ratios, however, should not be compared between studies because the studies used very … These studies showed mixed results: two studies found a statistically significant association between … Four of 5 studies used only a crude dichotomous measure of indoor tanning, and none of these studies … comparisons across studies.
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www.uspreventiveservicestaskforce.org/uspstf/document/final-research-plan/gestational-diabetes-screening
June 06, 2019 - KQ 2: Studies in which all participants are screened but harms are assessed before (i.e., earlier … in pregnancy) and after screening
KQ 3: RCTs and CCTs
KQ 4: Prospective cohort studies, single … arms of trials
KQ 5: Observational studies and single-arm trials (i.e., trial arms not receiving … treatment)
KQs 6, 7: RCTs, CCTs; controlled observational studies, if no trials exist
Systematic … , will be scanned for potentially relevant studies but will not be included as the unit of analysis.
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www.uspreventiveservicestaskforce.org/uspstf/recommendation/tobacco-use-in-adults-and-pregnant-women-counseling-and-interventions
January 19, 2021 - Most studies offered NRT as the pharmacotherapy. … Adherence to NRT in studies was low (<10% in 1 study). … No studies on bupropion SR or varenicline for smoking cessation during pregnancy were identified. … Only 3 of the e-cigarettes used in the studies are currently available in the US. … Nicotine in general has been shown in animal studies to cause fetal harms.
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October 01, 2009 - Some
epidemiologic studies used 2
scans. … Most
epidemiologic studies used 1
measurement. … Most epidemiologic studies used
1 examiner. … Results given are for 2 population-based, good-quality cohort studies.
� Studies did not establish applicability … of the results across
studies unreliable.