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Nicolás M. Ballarini

Researcher at Medical University of Vienna

Publications -  16
Citations -  203

Nicolás M. Ballarini is an academic researcher from Medical University of Vienna. The author has contributed to research in topics: Medicine & Internal medicine. The author has an hindex of 6, co-authored 12 publications receiving 111 citations. Previous affiliations of Nicolás M. Ballarini include University of North Carolina at Chapel Hill.

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Single-reviewer abstract screening missed 13 percent of relevant studies: a crowd -based, randomized controlled trial

TL;DR: Single-reviewer abstract screening does not appear to fulfill the high methodological standards that decisionmakers expect from systematic reviews, but it may be a viable option for rapid reviews, which deliberately lower methodological standards to provide decisionmakers with accelerated evidence synthesis products.
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Subgroup identification in clinical trials via the predicted individual treatment effect

TL;DR: This work explores linear models and compares different estimation methods, such as maximum likelihood and the Lasso with and without randomized response, and evaluates via simulations the performance of using the predicted individual treatment effect to identify subgroups where a novel treatment leads to better outcomes compared to a control treatment.
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Electrical Stimulation of the Greater Auricular Nerve to Reduce Postoperative Atrial Fibrillation.

TL;DR: LLTS of the greater auricular nerve may be a potential therapy for POAF and the feasibility to conduct a randomized trial of neurostimulation as an outlay for a multisite clinical trial is demonstrated.
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Delayed treatment effects, treatment switching and heterogeneous patient populations: How to design and analyze RCTs in oncology.

TL;DR: The required tools in a software package are provided, allowing to model data generating processes under complex non‐proportional hazard scenarios, to simulate data from these models and to perform the weighted logrank tests.
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Benchmarking Prehospital and Emergency Department Care for Argentine Children with Traumatic Brain Injury: For the South American Guideline Adherence Group

TL;DR: It is shown that many critically injured children with TBI do not receive timely or best practice PH care, that PH guideline adherence rate is low and that longer transport time was associated with poor discharge outcomes for patients with direct transfer status.