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Jie Ma

Researcher at University of Oxford

Publications -  10
Citations -  3425

Jie Ma is an academic researcher from University of Oxford. The author has contributed to research in topics: Systematic review & Critical appraisal. The author has an hindex of 4, co-authored 10 publications receiving 1796 citations. Previous affiliations of Jie Ma include John Radcliffe Hospital.

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Journal ArticleDOI

Prediction models for diagnosis and prognosis of covid-19: systematic review and critical appraisal

TL;DR: Proposed models for covid-19 are poorly reported, at high risk of bias, and their reported performance is probably optimistic, according to a review of published and preprint reports.
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A systematic review shows no performance benefit of machine learning over logistic regression for clinical prediction models

TL;DR: Improvements in methodology and reporting are needed for studies that compare modeling algorithms for clinical prediction modeling in the literature and found no evidence of superior performance of ML over LR.
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Risk of bias in studies on prediction models developed using supervised machine learning techniques: systematic review

TL;DR: In this article, the authors assess the methodological quality of studies on prediction models developed using machine learning techniques across all medical specialties and assess the risk of bias using the prediction risk-of-biased assessment tool (PROBAST).