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Displaying 6941 - 6960 of 10381 records Index

Oral Globalizing evidence, localizing implementation for colorectal cancer screening guidelines

2012 Auckland
Koster, Schottinger, Chan
Background: Health care delivery organizations are increasingly adopting models of collaborative guideline development that focus on centralized production and updating of existing systematic evidence reviews, and localization of knowledge translation and implementation efforts tailored to the…

Poster Guidance for including non-randomised studies (NRS) in Cochrane reviews: conclusions from an invited workshop

2012 Auckland
Reeves, Shea, Wells
Background: Stakeholders in the Cochrane Collaboration are increasingly stressing the need for review authors to include NRS in systematic reviews of health care interventions. NRS can provide evidence about rare or long term unintended outcomes, especially harms, or when interventions are…

Oral Handling trial participants with missing data in meta-analyses of dichotomous outcomes: guidance for systematic reviewers

2012 Auckland
Akl, Johnston, Alonso Coello, Neumann, Ebrahim, Briel, Cook, Guyatt
Background: Systematic reviewers including all randomized participants in their meta-analyses need to make assumptions about the outcomes of those with missing data. Objectives: To provide systematic review authors with guidance on dealing with participants with missing data for dichotomous…

Poster Health care outcomes assessed with non-experimental designs compared with those assessed in randomised trials

2012 Auckland
Anglemyer, Horvath, Bero
Background: Randomised controlled trials (RCTs) often attempt to determine the efficacy of a treatment or intervention under ideal conditions. Although RCTs may investigate the effectiveness of interventions in actual practice, observational studies are often used to measure the effects in ’real…

Poster Health priority research questions based on evidence in Brazil: implementation and maintenance of free access web site for researchers, academics, health professionals and consumers

2012 Auckland
Melnik, Puga
Background: More often than not, the research agendas in lowand middle-income countries are seen to be driven by researcher interests and funding sources, with too often little or no serious relationship with prevailing health priority concerns. This is particularly so because high-priority…

Poster How Chinese resources contribute to Cochrane reviews

2012 Auckland
Jiao, Tsutani, Haga
Background: Cochrane Systematic Reviews (CSRs) are frequently referenced by acupuncture efficacy studies nowadays. We reviewed the CSRs on acupuncture, and analyzed the disease fields they covered and the conclusions they reached. In order to explore the potential contribution to CSRs by Chinese…

Oral How does the quality of Cochrane systematic reviews compare with non-Cochrane systematic reviews in HIV prevention?

2012 Auckland
Pienaar, Kredo
Background: Systematic reviews (SRs), including Cochrane reviews, are an important resource for clinicians in the practice of evidence-based health care. In a 2001 BMJ article Olsen et al. [1] found that Cochrane reviews were rated of higher quality than non-Cochrane reviews, but this study was…

Poster How many guidelines of social medicine/preventive medicine/community medicine in China

2012 Auckland
Li, Bai, Gai, Zhang
Background: WHO advocate that guidelines of Prevention medicine, Social medicine or Community medicine are a prerequisite condition in keeping people health in developing country. Scientific and practical guidelines of social medicine/prevention medicine/community medicine will be supposed to play…

Poster How many negative studies included in meta-analysis in China

2012 Auckland
Chen, Wang, Yang, Li, Yang, Sun, Yuan, Yao, Yang
Background: Empirical evidence shows that, in general, studies with statistically significant results are more likely to be published than studies without statistically significant results (negative studies). Negative studies play a very important role in systematic reviews and meta-analysis.…

Workshop How to ask an answerable question for health care and health research: For consumers

2012 Auckland
Dickersin, Zhang, Fitton, McIlwain
Objectives: To gain hands-on experience developing answerable research questions. Description: In many countries, those performing systematic reviews ask consumers to contribute to priority setting or to review and comment on topics as they are refined. Because consumers and clinical…

Workshop How to develop brief economic commentaries for Cochrane intervention reviews

2012 Auckland
Shemilt, Vale, Graybill
Objectives: To provide training in the process of developing brief economic commentaries for inclusion in Cochrane intervention reviews. Description: Incorporating brief, evidence-informed economic commentaries into the Background and Discussion sections of Cochrane intervention reviews…

Poster Identification of systematic reviews in LILACS

2012 Auckland
Ciapponi, Glujovsky, Aleman, Caccavo, Claro García-Atance, Comandé, Corbalán Pössel, Daray, Eslava Schmalbach, Fernández Toricez, García Dieguez, García Martí, Gianneo, Gutiérrez Castrellón, Jimenerrezz Gutie, Klajn, López, Loza Munarriz, Malaga, Patrón Sentena, Pinto, Rada, Rey Ares, Rivera Mercado, Rodriguez Funes, Rodriguez, Sguassero, Tisi Baña, Abdala
Background: It is desirable to have easy access to systematic reviews (SRs) instead of narrative reviews (NRs). Databases’ methodological filters are good in identifying reviews of the literature but SRs are gathered together with NRs. Considering current limitations of most databases to classify…

Poster Identifying evidence-based practice teaching strategies in Australasian optometry curricula

2012 Auckland
Challinor, Suttle, Jalbert, Jacobs
Background: In the profession of optometry, responsibilities for eye and general health care make Evidence-Based Practice (EBP) essential. Current optometry curricula include isolated teaching and learning strategies that aim to develop the knowledge and skills required for EBP, but a recent study…

Oral Impact of Cochrane reviews on health technology assessments

2012 Auckland
Wolff, Worthy, Kleijnen
Background: Health Technology Assessments (HTA) systematically review medical, economic, social and ethical aspects of a health technology (including drugs; diagnostics, indicators and reagents; devices, equipment and supplies; medical and surgical procedures; support systems; and organisational…

Poster Impact of baseline score imbalance on comparative effectiveness reviews

2012 Auckland
Fu, Homer
Background: In randomized clinical trials, continuous baseline values could be imbalanced due to small sample size or imperfect randomization. Estimates from analysis of covariance (ANCOVA) have been shown to provide the least biased estimate under imbalance, however, this method is often not used…

Poster Impact of including Korean RCTs in Cochrane reviews of acupuncture

2012 Auckland
Kim, Kong, Choi, Choi, Shin, McDonald, Lee
Background: Acupuncture is commonly practiced in Korea and is regularly evaluated in clinical trials. Although many Cochrane reviews of acupuncture include searches of both English and Chinese databases, there is no information on the value of searching Korean databases. Objectives: This study…

Poster Impact of quality of reporting of treatment-related harms on overall therapeutic effects

2012 Auckland
Mhaskar, Reljic, Wao, Miladinovic, Kumar, Djulbegovic
Background: The overall therapeutic effects from randomized controlled trials (RCTs) are often biased as investigators seldom take the treatment-related harms (treatment-related morbidity and mortality) into account. To date there has not been a systematic assessment of the quality of reporting of…

Poster Implementation research in China: a review of evidence in making policy, process and translation

2012 Auckland
Li, Ma, Tian, Zhang, Yang
Background: Implementation research is the scientific study of methods to promote realization of research findings. High-quality implementation research is critical to enhancing evidence quality, strengthening health policy, improving health services, increasing access to effective interventions,…

Oral Implications of searching multiple trial registries: how should we search ClinicalTrials.gov and WHO ICTRP?

2012 Auckland
Tai, Willson, Ghersi
Background: Trial registries are essential sources of information on unpublished and ongoing trials. Searching two trial registries, the ClinicalTrials.gov (CT.gov) and the World Health Organization’s International Clinical Trials Registry Platform (WHO ICTRP), is now mandatory in Cochrane reviews…

Poster Improving quality of N-of-1 trials in high impact factor medical journals

2012 Auckland
Li, Ma, Zhang, Yang
Background: N-of-1 trials, named single case experiment, are single-subject, randomized and crossover trials performed within individual. However, publications of n-of-1 trials on high impact factor (IF) medical journals have been few. Objectives: To address issues and improve numbers of n-of-1…