Agreement among reviewers of review articles

Oxman, Andrew D; Guyatt, Gordon; Singer, Joel; Goldsmith, Charlie H.; Hutchison, Brian; Milner, Ruth; Streiner, David L.

doi:10.1016/0895-4356(91)90205-n

Cited by 231 publications

(123 citation statements)

References 24 publications

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“…An instrument (a questionnaire for assessing the quality of the methodology and analysis of articles) was constructed in order to assess the internal validity of each study, based on criteria adapted from Oxman et al 36 and…”

Section: Methodsmentioning

confidence: 99%

Dificuldade de aprendizagem em escolares de muito baixo peso ao nascer

Rodrigues¹,

Mello²,

Fonseca³

2006

J. Pediatr. (Rio J.)

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Objectives: To investigate the relationship between very low birth weight and learning difficulties at school by means of a systematic review of the literature, identifying patterns of learning difficulties among these schoolchildren, possible cognitive correlations, peculiarities of the lowest birth weight ranges and any interference with outcomes by socioeconomic and/or clinical factors.Sources of data: Bibliographic search (MEDLINE, LILACS, Excerpta Medica, reference lists of original articles, periodicals related to the subject, information from experts in the area and thesis and dissertation databases) on the keywords: prematurity/very low birth weight, learning difficulties/academic achievement/school performance, follow-up/results/cohort. Summary of the findings:The search returned 114 articles and the 18 of these were selected as having investigated learning difficulties in schoolchildren born with very low birth weights using appropriate methodology. The academic performance of these children was observed to be inferior the whole study population was compared with those born full term. The subject most compromised was mathematics. The risk of suffering from learning difficulties increased in inverse proportion to birth weight. An association was identified between very low birth weight and cognitive compromise. Conclusions:The systematic approach corroborated the results obtained by published studies: schoolchildren born with very low birth weights exhibited increased risk of learning difficulties when compared with those born at full term. There was a predominance of children with multiple academic subjects compromised and mathematics was the most affected. Risk was observed to follow an ascending gradient as birth weight reduced. There was an association between very low birth weight and cognitive compromise.J Pediatr (Rio J). 2006;82(1):6-14: Learning disorders, very low birth weight, systematic review.

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Section: Methodsmentioning

confidence: 99%

Dificuldade de aprendizagem em escolares de muito baixo peso ao nascer

Rodrigues¹,

Mello²,

Fonseca³

2006

J. Pediatr. (Rio J.)

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“…The quality of reviews was assessed using principles embodied in prior instruments addressing methodologic quality of systematic reviews, 9,10 and wherever possible, current high-quality systematic reviews were used as the source of summary estimates. Reviews were also used to identify additional studies to complement the database searches.…”

Section: Identifying the Evidencementioning

confidence: 99%

Methodology for the Development of Antithrombotic Therapy and Prevention of Thrombosis Guidelines

Guyatt

Norris

Schulman

et al. 2012

Chest

Self Cite

239

133

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Judgments regarding the quality of evidence and strength of recommendations were based on approaches developed by the Grades of Recommendations, Assessment, Development, and Evaluation Working Group. Panel members constructed scenarios describing relevant health states and rated the disutility associated with these states based on an additional systematic review of evidence regarding patient values and preferences for antithrombotic therapy. These ratings guided value and preference decisions underlying the recommendations. Each topic panel identifi ed questions in which resource allocation issues were particularly important and, for these issues, experts in economic analysis provided additional searches and guidance. Conclusions: AT9 methodology refl ects the current science of evidence-based clinical practice guideline development, with reliance on high-quality systematic reviews, a standardized process for quality assessment of individual studies and the body of evidence, an explicit process for translating the evidence into recommendations, disclosure of fi nancial as well as intellectual confl icts of interest followed by management of disclosed confl icts, and extensive peer review.CHEST 2012; 141(2)(Suppl):53S-70S

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“…If RCT are considered the only valid design there is a risk that evidence could actually be distorted by relying on a research design that does not match the research question or evaluation objectives (Green & Tones, 1999). Nonetheless, consistent results from multiple RCT, identified using a systematic review process as described by The Cochrane Collaboration (The Cochrane Collaboration, 2005) and Oxman (Oxman et al 1991Oxman, 1994), is considered the gold standard on which to base recommendations to change clinical medical practice. Systematic reviews of RCT consist of a carefullyconstructed process of locating and critically appraising studies to answer very specific questions of very specific populations, usually about single interventions.…”

Section: Best Practice and Evidencementioning

confidence: 99%

Methods of defining best practice for population health approaches with obesity prevention as an example

McNeil

Flynn

2006

Proc. Nutr. Soc.

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Childhood obesity has reached a crisis stage and has become a population health issue. The few traditional systematic reviews that have been done to identify best practice provide little direction for action. The concept of evidence-based practice has been adopted in health care, and in medicine in particular, to determine best practice. Evidence-based medicine has its origins in the scientific method and for many researchers this concept means strict adherence to standards determining internal validity in order to justify a practice as evidence based. Practitioners addressing population health face challenges in identifying criteria for determining evidence, in part because of the nature of population health with its goal of shifting the health of whole populations. As well, the type of evidence provided by more traditional critical appraisal schema is limiting. Expanded approaches in finding and defining evidence have been proposed that use: expert panels; broad and inclusive search and selection strategies; appraisal criteria that incorporate context and generalizability. A recent synthesis of 147 programmes addressing childhood overweight and obesity provides a concrete example of using a broader approach to identify evidence for best practice (Flynn et al. 2006). Incorporating evaluation and population health frameworks as criterion components in addition to traditional methodological rigour criteria, this synthesis has identified programmes that provide contextual information that can be used to populate what Swinburn et al. (2005) have described as the 'promise table'. Using this approach a range in 'certainty of effectiveness' and a range in 'potential for population impact' are integrated to identify promising strategies. The exercise can provide direction for agencies and practitioners in taking action to address obesity.

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Agreement among reviewers of review articles

Cited by 231 publications

References 24 publications

Dificuldade de aprendizagem em escolares de muito baixo peso ao nascer

Dificuldade de aprendizagem em escolares de muito baixo peso ao nascer

Methodology for the Development of Antithrombotic Therapy and Prevention of Thrombosis Guidelines

Methods of defining best practice for population health approaches with obesity prevention as an example

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