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Orestis Efthimiou

Researcher at University of Bern

Publications -  92
Citations -  3151

Orestis Efthimiou is an academic researcher from University of Bern. The author has contributed to research in topics: Medicine & Meta-analysis. The author has an hindex of 22, co-authored 67 publications receiving 1700 citations. Previous affiliations of Orestis Efthimiou include University of Oxford & University of Ioannina.

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Internet-Based Cognitive Behavioral Therapy for Depression: A Systematic Review and Individual Patient Data Network Meta-analysis.

Eirini Karyotaki, +90 more
- 01 Apr 2021 - 
TL;DR: In this article, the authors conducted a systematic review and IPD network meta-analysis and estimated relative treatment effect sizes across different patient characteristics through IPD-network meta-regression, and found that both guided and unguided iCBT were associated with more effectiveness as measured by PHQ-9 scores than control treatments over the short term and the long term.
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Get real in individual participant data (IPD) meta-analysis: a review of the methodology

TL;DR: A literature review as mentioned in this paper provides an overview of methods for performing an individual participant data meta-analysis (IPD-MA) using evidence from clinical trials or non-randomized studies when investigating treatment efficacy.
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GetReal in network meta‐analysis: a review of the methodology

TL;DR: A review of the relevant literature on NMA methodology aiming to pinpoint the developments that have appeared in the field can be found in this article, where the authors present a review of several applications, methodological developments, and empirical studies in NMA, and the area is thriving as its relevance to public health is increasingly recognized.
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Practical guide to the meta-analysis of rare events

TL;DR: Why rare events require special attention in meta-analysis is discussed, an overview of some approaches suitable for meta-analysing rare events are presented, and practical recommendations for their use are provided.