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Editorial Board
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IFC
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| Editorial |
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Why are reporting guidelines not more widely used by journals?
Reporting guidelines have become almost an industry in itself. Vandenbroucke raised some important issues when the JCE co-published the STREGA guidelines in 2009. He asked what exactly should the rol...
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Peter Tugwell,
André Knottnerus,
Leanne Idzerda
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231-233
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| Commentaries |
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Quantifying the unquantifiable
12 December 2011
Applicability has been described as “inferences about the extent to which a causal relationship holds over variations in persons, settings, treatments, and outcomes” . Consequently, to determine the a...
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Gerald Gartlehner
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234-235
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Classification systems to improve assessment of risk of bias
Systematic reviews and meta-analyses are a cornerstone of comparative effectiveness research . Clinical decision makers often rely on the results of systematic reviews to develop guidelines. The stren...
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Isabelle Boutron,
Philippe Ravaud
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236-238
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| Review Articles |
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Publication guidelines need widespread adoption
17 October 2011
Abstract: Objective: During the past two decades teams of researchers and editors have developed a variety of publishing guidelines to improve the quality of published research reports. Journals and e...
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Elaine L. Larson,
Manuel Cortazal
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239-246
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Medical journal editors lacked familiarity with scientific publication issues despite training and regular exposure
10 November 2011
Abstract: Objective: To characterize medical editors by determining their demographics, training, potential sources of conflict of interest (COI), and familiarity with ethical standards. Study Design ...
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Victoria S.S. Wong,
Michael L. Callaham
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247-252
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A critical review of methods used to determine the smallest worthwhile effect of interventions for low back pain
20 October 2011
Abstract: Objective: To critically and systematically review methods used to estimate the smallest worthwhile effect of interventions for nonspecific low back pain. Study Design and Setting: A compute...
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Manuela L. Ferreira,
Robert D. Herbert,
Paulo H. Ferreira,
Jane Latimer,
Raymond W. Ostelo,
Dafne P. Nascimento,
Rob J. Smeets
et al.
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253-261
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| Original Articles |
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Specific instructions for estimating unclearly reported blinding status in randomized trials were reliable and valid
26 December 2011
Abstract: Objective: To test the reliability and validity of specific instructions to classify blinding, when unclearly reported in randomized trials, as “probably done” or “probably not done.” Study ...
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Elie A. Akl,
Xin Sun,
Jason W. Busse,
Bradley C. Johnston,
Matthias Briel,
Sohail Mulla,
John J. You,
Dirk Bassler,
Francois Lamontagne,
Claudio Vera,
Mohamad Alshurafa,
Christina M. Katsios,
Diane Heels-Ansdell,
Qi Zhou,
Ed Mills,
Gordon H. Guyatt
et al.
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262-267
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“Might” or “suggest”? No wording approach was clearly superior in conveying the strength of recommendation
11 November 2011
Abstract: Objective: To compare different wording approaches for conveying the strength of health care recommendations. Study Design and Setting: Participants were medical residents in Canada and the ...
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Elie A. Akl,
Gordon H. Guyatt,
Jihad Irani,
David Feldstein,
Parveen Wasi,
Elizabeth Shaw,
Terry Shaneyfelt,
Meredith Levine,
Holger J. Schünemann
et al.
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268-275
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Normative arguments and new solutions for the unbiased registration and publication of clinical trials
20 October 2011
Abstract: Objective: To present a structured account of ethical problems and possible solutions related to selective publication and incomplete trial registration. Study Design and Setting: The presen...
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Daniel Strech
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276-281
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A capture-recapture analysis demonstrated that randomized controlled trials evaluating the impact of diagnostic tests on patient outcomes are rare
17 October 2011
Abstract: Objective: To estimate the number of randomized controlled trials (RCTs) published annually that evaluate the impact of diagnostic tests on patient outcomes to gauge the extent of available ...
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Lavinia Ferrante di Ruffano,
Clare Davenport,
Anne Eisinga,
Chris Hyde,
Jonathan J. Deeks
et al.
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282-287
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Alternatives for randomization in lifestyle intervention studies in cancer patients were not better than conventional randomization
19 August 2011
Abstract: Objective: Assessing effects of lifestyle interventions in cancer patients has some specific challenges. Although randomization is urgently needed for evidence-based knowledge, sometimes it ...
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Miranda J. Velthuis,
Anne M. May,
Evelyn M. Monninkhof,
Elsken van der Wall,
Petra H.M. Peeters
et al.
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288-292
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Three principles to define the success of a diagnostic study could be identified
14 October 2011
Abstract: Objective: Diagnostic studies are typically studies with two endpoints, sensitivity and specificity. To define the success of a diagnostic study, results for these two endpoints have to be c...
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Werner Vach,
Oke Gerke,
Poul Flemming Høilund-Carlsen
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293-300
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The size of a pilot study for a clinical trial should be calculated in relation to considerations of precision and efficiency
12 December 2011
Abstract: Objective: To investigate methods to determine the size of a pilot study to inform a power calculation for a randomized controlled trial (RCT) using an interval/ratio outcome measure. Study ...
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Julius Sim,
Martyn Lewis
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301-308
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Validation study of cause of death statistics in Cape Town, South Africa, found poor agreement
12 December 2011
Abstract: Objective: The validity of the underlying cause of death on death notification forms was assessed by comparing it to the underlying cause determined independently from medical records. Study...
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Elsie H. Burger,
Pam Groenewald,
D. Bradshaw,
Alison M. Ward,
Patricia L. Yudkin,
Jimmy Volmink
et al.
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309-316
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Combining longitudinal studies showed prevalence of disease differed throughout older adulthood
10 November 2011
Abstract: Objectives: Disease prevalence rates are often generalized across the older adult age range. By pooling self-reported health data from five Australian longitudinal studies of aging, we were ...
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Allison A.M. Bielak,
Julie E. Byles,
Mary A. Luszcz,
Kaarin J. Anstey
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317-324
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Using item response theory improved responsiveness of patient-reported outcomes measures in carpal tunnel syndrome
16 December 2011
Abstract: Objective: To compare responsiveness based on item response theory (IRT) with that based on conventional scoring for two patient-reported outcomes measures in carpal tunnel syndrome (CTS); t...
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Per-Erik Lyrén,
Isam Atroshi
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325-334
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Risk predictions for individual patients from logistic regression were visualized with bar–line charts
23 November 2011
Abstract: Objective: The interface of a computerized decision support system is crucial for its acceptance among end users. We demonstrate how combined bar–line charts can be used to visualize predict...
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Jonas Björk,
Ulf Ekelund,
Mattias Ohlsson
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335-342
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Tradeoffs between accuracy measures for electronic health care data algorithms
26 December 2011
Abstract: Objective: We review the uses of electronic health care data algorithms, measures of their accuracy, and reasons for prioritizing one measure of accuracy over another. Study Design and Setti...
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Jessica Chubak,
Gaia Pocobelli,
Noel S. Weiss
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343-349.e2
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| Letter to the Editor |
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Qualitative research—specialized or fragmented?
In the article “How different is qualitative health research from qualitative research? Do we have a subdiscipline?,” Morse proposes that qualitative health research conducted by clinicians constitut...
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Joanna E.M. Sale
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350
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| Erratum |
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Erratum to: “CONSORT 2010 Explanation and Elaboration: updated guidelines for reporting parallel group randomised trials” [J Clin Epidemiol 2010;63(8):e1–37]
07 November 2011
In this Research Methods & Reporting article by David Moher and colleagues a minor error occurred in Table 3. In the fourth row (“Treatment allocation”), the text in the second and third cells sho...
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David Moher,
Sally Hopewell,
Kenneth F. Schulz,
Victor Montori,
Peter C. Gøtzsche,
P.J. Devereaux,
Diana Elbourne,
Matthias Egger,
Douglas G. Altman
et al.
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351
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| Frontmatter |
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Table of Contents
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A3-A4
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