Bada Yang

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Bada Yang

Bada Yang

@yang_bada

Assist prof @AmsterdamUMC. Systematic review methods. Sources of bias in comparative accuracy studies. #QUADASC #metaresearch

Katılım Eylül 2018
221 Takip Edilen164 Takipçiler
Bada Yang
Bada Yang@yang_bada·
🤔 Which risk-of-bias tool is appropriate for a diagnosis or prognosis study? There are at least 14 tools, and the choice depends on your research question and aims. ⏩ Find out, in our overview and guidance (open access): tinyurl.com/3ry6n9d2
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Bada Yang
Bada Yang@yang_bada·
✈️ Final call for Cochrane Netherlands' online course on *Systematic Reviews of Diagnostic Test Accuracy*: 29 Nov to 1 Dec 2023. Contents include QUADAS-C, GRADE, and hands-on meta-analysis in R! Info and registration at: t.ly/yNHl5
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Bada Yang
Bada Yang@yang_bada·
🚨Course announcement🚨 Cochrane Netherlands is once again organizing an online course on how to perform Diagnostic Test Accuracy (DTA) reviews on 29 Nov to 1 Dec 2023. Learn from experts such as @leeflang_m and @hans_reitsma! Info and registration at: t.ly/yNHl5
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Ewoud Schuit
Ewoud Schuit@ewoudschuit·
We are hiring! We offer an exciting position as PhD Candidate who will focus on improving methods for the validation, updating and implementation of (artificial intelligence based) prediction models to support clinical decision-making. careersatumcutrecht.com/vacancies/wete…
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Bada Yang
Bada Yang@yang_bada·
🔥Course announcement🔥 Cochrane Netherlands is organizing an online course on how to perform Diagnostic Test Accuracy (DTA) reviews on 7, 8 and 9th Dec 2022. Learn from experts such as @leeflang_m and @hans_reitsma! More info and registration at: #DTA" target="_blank" rel="nofollow noopener">netherlands.cochrane.org/cursussen-en-w…
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Bada Yang
Bada Yang@yang_bada·
QUADAS-C risk of bias tool for comparative accuracy studies is now endorsed by Cochrane as an optional tool for Diagnostic Test Accuracy reviews! Happy to help any prospective review authors who are willing to use this tool. #epitwitter #sysrev #researchquality #QUADASC
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Brian Nosek (@briannosek@nerdculture.de)
Massive status bias in peer review. 534 reviewers randomized to review the same paper revealing the low status, high status, or neither author. 65% reject low status, 23% reject high status. Amazing work by Juergen Huber and colleagues. #prc9
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James C Meyer
James C Meyer@trumanfrancis·
@yang_bada What are the challenges in performing this type of trial for diagnostic tests? I did not see any of the SARS-COV2 diagnostic studies use this methodology.
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Bada Yang
Bada Yang@yang_bada·
Many interesting developments recently for diagnostic test accuracy reviews, including several updated Cochrane Handbook chapters, publication of the QUADAS-C tool and the PRISMA-DTA explanation paper #systrev
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Bada Yang
Bada Yang@yang_bada·
The target condition is such an essential part of diagnostic accuracy research, but it is too often vaguely described or sometimes not at all. The target condition is not defined by the reference standard (but the other way around): bmj.com/content/343/bm…
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Gary Collins
Gary Collins@GSCollins·
"A billion-dollar donation: estimating the cost of researchers’ time spent on peer review" --> bit.ly/3wQxp5o
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Gordon H. Guyatt
Gordon H. Guyatt@GuyattGH·
A few days ago I have a #talk to a #medical #students conference focused on clinical decision-making. The talk, pitched at medical students’ level, explained how to deal with studies claiming a difference in treatment effect across subgroups of patients. bit.ly/3nfgghb
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Mariska Leeflang
Mariska Leeflang@leeflang_m·
"Our aim was to review whether biomarkers were predictive for X" Search strategy: biomarkers AND X "We extracted sensitivity, specificity, odds ratios (adjusted for confounding), " "We used Newcastle Ottawa Scale for quality assessment" Aka: "we made a mess of our methods".
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Bada Yang
Bada Yang@yang_bada·
Another SR with risk of bias assessment 'checked off' - No discussion of risk of bias in abstract - 33/41 observational studies were rated as overall 'low risk of bias' using ROBINS-E (implying validity comparable to RCT) - No sensitivity analysis excluding problematic studies
The BMJ@bmj_latest

NEW #BMJresearch: A high intake of alpha linolenic acid, found mainly in nuts, seeds, and plant oils, is associated with a lower risk of death from all causes, and specifically from diseases of the heart and blood vessels, finds a study ow.ly/UsWU50GsBSB

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