Browsing by Author "Cobo Valeri, Erik"

A hazard ratio was estimated by a ratio of median survival times, but with considerable uncertainty

Cortés Martínez, Jordi; González Alastrué, José Antonio; Campbell, Michael J.; Cobo Valeri, Erik (2014-10-01)
Article
Open Access

Objectives: To evaluate the empirical concordance between the hazard ratio (HR) and the median ratio (MR) in survival cancer studies. Study Design and Setting: We selected all cancer survival articles from the New England ...

A scoping review on the roles and tasks of peer reviewers in the manuscript review process in biomedical journals

Glonti, Ketevan; Cauchi, Daniel; Cobo Valeri, Erik; Boutron, Isabelle; Moher, David; Hren, Darko (2019-06-20)
Article
Open Access

A scoping review protocol on the roles and tasks of peer reviewers in the manuscript review process in biomedical journals

Glonti, Ketevan; Cauchi, Daniel; Cobo Valeri, Erik; Boutron, Isabelle; Moher, David; Hren, Darko (2017-10-01)
Article
Open Access

Introduction The primary functions of peer reviewers are poorly defined. Thus far no body of literature has systematically identified the roles and tasks of peer reviewers of biomedical journals. A clear establishment of ...

A survey exploring biomedical editors’ perceptions of editorial interventions to improve adherence to reporting guidelines

Blanco de Tena Davila, David; Hren, Darko; Kirkham, Jamie J.; Cobo Valeri, Erik; Schroter, Sara (2019-09-24)
Article
Open Access

Background: Improving the completeness of reporting of biomedical research is essential for improving its usability. For this reason, hundreds of reporting guidelines have been created in the last few decades but adherence ...

A web-based learning tool improves student performance in statistics: a randomized masked trial

González Alastrué, José Antonio; Jover, Lluís; Cobo Valeri, Erik; Muñoz Gracia, María del Pilar (2010-03)
Article
Open Access

Background: e-status is a web-based tool able to generate different statistical exercises and to provide immediate feedback to students’ answers. Although the use of Information and Communication Technologies (ICTs) is ...

Adherence to reporting guidelines increases the number of citations: the argument for including a methodologist in the editorial process and peer-review

Vilaró, Marta; Cortés Martínez, Jordi; Selva O’Callaghan, Albert; Urrutia, Agustí; Ribera, Josep Maria; Cardellach López, Francesc; Basagaña Flores, Xavier; Elmore, Matthew; Vilardell, Miquel; Altman, D.G.; González Alastrué, José Antonio; Cobo Valeri, Erik (2019-05-31)
Article
Open Access

From 2005 to 2010, we conducted 2 randomized studies on a journal (Medicina Clínica), where we took manuscripts received for publication and randomly assigned them to either the standard editorial process or to additional ...

An iterative method to protect the type I error rate in bioequivalence studies under two-stage adaptive 2×2 crossover designs

Molins Lleonart, Eduard; Labes, Detlew; Schütz, Helmut; Cobo Valeri, Erik; Ocaña Rebull, Jordi (2021-01)
Article
Open Access

Bioequivalence studies are the pivotal clinical trials submitted to regulatory agen- cies to support the marketing applications of generic drug products. Average bioequivalence (ABE) is used to determine whether the mean ...

APRIL: a double-blind, placebo-controlled, randomized, Phase Ib/IIa clinical study of ApTOLL for the treatment of acute ischemic stroke

Hernández Jiménez, Macarena; Abad Santos, Francisco; Cotgreave, Ian; Gallego, Jaime; Jilma, Bernd; Flores, Alan; Jovin, Tudor G.; Vivancos Mora, José; Molina, Carlos A.; Montaner, Joan; Casariego García, Joaquín; Cobo Valeri, Erik (Frontiers Media SA, 2023-02-24)
Article
Open Access

In the reperfusion era, a new paradigm of treating patients with endovascular treatment (EVT) and neuroprotective drugs is emerging as a promising therapeutic option for patients with acute ischemic stroke (AIS). In this ...

Are CONSORT checklists submitted by authors adequately reflecting what information is actually reported in published papers?

Blanco de Tena Davila, David; Biganne, Alice M.; Cobo Valeri, Erik (2018-01-29)
Article
Open Access

Background: Compulsory submission of a checklist from the relevant reporting guideline is one of the most widespread journal requirements aiming to improve completeness of reporting. However, the current suboptimal levels ...

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