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2012
Thomson, D., Chisholm, A., Hartling, L., Dryden, D. M.
Background: Overviews of systematic reviews compile data from multiple systematic reviews (SRs) and are a new method of evidence synthesis. Objectives: To describe the methodological approaches in overviews of interventions. Design: Descriptive study. Methods: We searched 4 databases from 2000 to...
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Applying the risk of bias tool in a systematic review of combination long-acting beta-agonists and inhaled corticosteroids for persistent asthma.
Download2011
Seida, J., Vandermeer, B., Hartling, L., Dryden, D. M., Rowe, B. H., Bond, K.
Background The Risk of Bias (RoB) tool is used to assess internal validity of randomized controlled trials (RCTs). Our objectives were to: 1) evaluate inter-rater agreement of the RoB tool; 2) determine the time to access supplemental study information; 3) compare the RoB tool with the Jadad...
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Children are not just small adults: the urgent need for high-quality trial evidence in children.
Download2008
Offringa, M., Hartling, L., Craig, J. C., Klassen, T. P.
Children are often touted as being very important members of society because they represent our future. Optimizing their health outcomes has the potential for a huge impact on public health because children are at an early stage in the life trajectory. But it is often unclear how society...
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2005
Swingler, G., Williams, K., Hartling, L., Moyer, V., Cramer, K., Klassen, T. P., Wiebe, N.
Background The delivery of optimal medical care to children is dependent on the availability of child relevant research. Our objectives were to: i) systematically review and describe how children are handled in reviews of drug interventions published in the Cochrane Database of Systematic Reviews...
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Controlled trials in children: quantity, methodological quality and descriptive characteristics of pediatric controlled trials published 1948-2006.
Download2010
Tjosvold, L., Thomson, D., Vandermeer, B., Klassen, T. P., Cohen, E., Hartling, L.
Background The objective of this study was to describe randomized controlled trials (RCTs) and controlled clinical trials (CCTs) in child health published between 1948 and 2006, in terms of quantity, methodological quality, and publication and trial characteristics. We used the Trials Register...
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Do health care institutions value research? A mixed methods study of barriers and facilitators to methodological rigor in pediatric randomized trials.
Download2012
Scott, S. D., Hamm, M. P., Hartling, L., Klassen, T. P., Moher, D.
Background Pediatric randomized controlled trials (RCTs) are susceptible to a high risk of bias. We examined the barriers and facilitators that pediatric trialists face in the design and conduct of unbiased trials. Methods We used a mixed methods design, with semi-structured interviews building...
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Efficacy and safety of exogenous melatonin for secondary sleep disorders and sleep disorders accompanying sleep restriction: meta-analysis.
Download2006
Vandermeer, B., Hartling, L., Buscemi, N.., Baker, G., Klassen, T. P., Vohra, S., Pandya, R., Tjosvold, L., Hooton, N.
Objective To conduct a systematic review of the efficacy and safety of exogenous melatonin in managing secondary sleep disorders and sleep disorders accompanying sleep restriction, such as jet lag and shiftwork disorder. Data sources 13 electronic databases and reference lists of relevant...
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From the trenches: a cross-sectional study applying the GRADE tool in systematic reviews of healthcare interventions.
Download2012
Dryden, D. M., Vandermeer, B., Seida, J., Hartling, L., Fernandes, R. M.
Background GRADE was developed to address shortcomings of tools to rate the quality of a body of evidence. While much has been published about GRADE, there are few empirical and systematic evaluations. Objective To assess GRADE for systematic reviews (SRs) in terms of inter-rater agreement and...
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Quantifying bias in randomized controlled trials in child health: a meta-epidemiological study.
Download2014
Hartling, L., Vandermeer, B., Dryden, D. M., Fernandes, R. M., Hamm, M. P.
Objective: To quantify bias related to specific methodological characteristics in child-relevant randomized controlled trials (RCTs). Design: Meta-epidemiological study. Data Sources: We identified systematic reviews containing a meta-analysis with 10–40 RCTs that were relevant to child health in...
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Steroids and bronchodilators for acute bronchiolitis in the first two years of life: systematic review and meta-analysis.
Download2011
Bialy, L., Klassen, T. P., Hartling, L., Vandermeer, B., Johnson, D., Milne, A., Plint, A., Fernandes, R. M.
Objective To evaluate and compare the efficacy and safety of bronchodilators and steroids, alone or combined, for the acute management of bronchiolitis in children aged less than 2 years. Design Systematic review and meta-analysis. Data sources Medline, Embase, Central, Scopus, PubMed, LILACS,...