Výsledky vyhledávání - "Barrowman Nicholas J"

Akademický článek

Comparing multiple competing interventions in the absence of randomized trials using clinical risk-benefit analysis

Autor: Lazo-Langner Alejandro, Rodger Marc A, Barrowman Nicholas J, Ramsay Tim, Wells Philip S, Coyle Douglas A

Publikováno v: BMC Medical Research Methodology, Vol 12, Iss 1, p 3 (2012)

Abstract Background To demonstrate the use of risk-benefit analysis for comparing multiple competing interventions in the absence of randomized trials, we applied this approach to the evaluation of five anticoagulants to prevent thrombosis in patient

Externí odkaz: https://doaj.org/article/ed4b8c46c537483399bca0be9530a97b

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Akademický článek

An alternative to the hand searching gold standard: validating methodological search filters using relative recall

Autor: Barrowman Nicholas J, Morrison Andra, Zhang Li, Sampson Margaret, Clifford Tammy J, Platt Robert W, Klassen Terry P, Moher David

Publikováno v: BMC Medical Research Methodology, Vol 6, Iss 1, p 33 (2006)

Abstract Background Search filters or hedges play an important role in evidence-based medicine but their development depends on the availability of a "gold standard" – a reference standard against which to establish the performance of the filter. W

Externí odkaz: https://doaj.org/article/c8e91b11b020445c85f64b3dc1cd4f2d

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Akademický článek

Can electronic search engines optimize screening of search results in systematic reviews: an empirical study

Autor: Clifford Tammy J, Moher David, Barrowman Nicholas J, Sampson Margaret, Platt Robert W, Morrison Andra, Klassen Terry P, Zhang Li

Publikováno v: BMC Medical Research Methodology, Vol 6, Iss 1, p 7 (2006)

Abstract Background Most electronic search efforts directed at identifying primary studies for inclusion in systematic reviews rely on the optimal Boolean search features of search interfaces such as DIALOG® and Ovid™. Our objective is to test the

Externí odkaz: https://doaj.org/article/a77aa60138bb495287e058529694762c

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Akademický článek

Identifying null meta-analyses that are ripe for updating

Autor: Fang Manchun, Barrowman Nicholas J, Sampson Margaret, Moher David

Publikováno v: BMC Medical Research Methodology, Vol 3, Iss 1, p 13 (2003)

Abstract Background As an increasingly large number of meta-analyses are published, quantitative methods are needed to help clinicians and systematic review teams determine when meta-analyses are not up to date. Methods We propose new methods for det

Externí odkaz: https://doaj.org/article/2d02dbaaf674453d9bd32771c56eb457

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Akademický článek

Funding source, trial outcome and reporting quality: are they related? Results of a pilot study

Autor: Clifford Tammy J, Barrowman Nicholas J, Moher David

Publikováno v: BMC Health Services Research, Vol 2, Iss 1, p 18 (2002)

Abstract Background There has been increasing concern regarding the potential effects of the commercialization of research. Methods In order to examine the relationships between funding source, trial outcome and reporting quality, recent issues of fi

Externí odkaz: https://doaj.org/article/69da9ebbbd1c410f86ac613956dbb55d

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Akademický článek

Shorter courses of parenteral antibiotic therapy do not appear to influence response rates for children with acute hematogenous osteomyelitis: a systematic review

Autor: Barrowman Nicholas J, Howard Andrew, Le Saux Nicole, Gaboury Isabelle, Sampson Margaret, Moher David

Publikováno v: BMC Infectious Diseases, Vol 2, Iss 1, p 16 (2002)

Abstract Background Acute hematogenous osteomyelitis (AHO) occurs primarily in children and is believed to evolve from bacteremia followed by localization of infection to the metaphysis of bones. Currently, there is no consensus on the route and dura

Externí odkaz: https://doaj.org/article/2557637c11a349a4ae3f9545a36c55ec

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