Titre : Groupes témoins

Groupes témoins : Questions médicales fréquentes

Termes MeSH sélectionnés :

Systematic Reviews as Topic

Questions fréquentes et termes MeSH associés

Diagnostic 4

#1

Comment identifier un groupe témoin ?

Un groupe témoin est constitué de participants similaires au groupe traité, mais sans intervention.
Groupes témoins Méthodes de recherche
#2

Quel est le rôle d'un groupe témoin ?

Il permet d'évaluer l'effet d'un traitement en comparant les résultats avec ceux du groupe traité.
Groupes témoins Évaluation des traitements
#3

Comment choisir un groupe témoin ?

Le choix doit se baser sur des critères d'inclusion similaires à ceux du groupe traité.
Groupes témoins Critères d'inclusion
#4

Les groupes témoins sont-ils toujours nécessaires ?

Oui, ils sont essentiels pour établir des comparaisons valides dans les études cliniques.
Groupes témoins Essais cliniques

Symptômes 2

#1

Les groupes témoins montrent-ils des symptômes ?

Non, ils ne reçoivent pas de traitement, donc ils ne présentent pas de symptômes liés au traitement.
Groupes témoins Symptômes
#2

Comment les symptômes sont-ils évalués ?

Les symptômes sont évalués par des questionnaires ou des examens cliniques dans les deux groupes.
Évaluation des symptômes Groupes témoins

Prévention 2

#1

Les groupes témoins aident-ils à la prévention ?

Oui, ils permettent d'évaluer l'efficacité des interventions préventives par comparaison.
Prévention Groupes témoins
#2

Comment les groupes témoins influencent-ils la prévention ?

Ils fournissent des données sur l'impact des mesures préventives en comparaison avec l'absence d'intervention.
Mesures préventives Groupes témoins

Traitements 2

#1

Quel type de traitement est comparé ?

Le traitement expérimental est comparé à un placebo ou à un traitement standard dans le groupe témoin.
Traitements expérimentaux Groupes témoins
#2

Comment les résultats sont-ils mesurés ?

Les résultats sont mesurés par des critères prédéfinis, comme l'amélioration des symptômes.
Mesure des résultats Groupes témoins

Complications 2

#1

Les complications sont-elles observées dans les groupes témoins ?

Les complications peuvent être observées, mais elles ne sont pas dues au traitement expérimental.
Complications Groupes témoins
#2

Comment les complications sont-elles analysées ?

Elles sont analysées en comparant leur fréquence entre le groupe témoin et le groupe traité.
Analyse des complications Groupes témoins

Facteurs de risque 2

#1

Les groupes témoins aident-ils à identifier des facteurs de risque ?

Oui, ils permettent de comparer les facteurs de risque entre les groupes traité et témoin.
Facteurs de risque Groupes témoins
#2

Comment les facteurs de risque sont-ils évalués ?

Ils sont évalués par des questionnaires et des analyses statistiques dans les deux groupes.
Évaluation des facteurs de risque Groupes témoins
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Dr Olivier Menir

Contenu validé par Dr Olivier Menir

Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale


Validation scientifique effectuée le 21/04/2025

Contenu vérifié selon les dernières recommandations médicales

Auteurs principaux

Thomas Steger-Hartmann

5 publications dans cette catégorie

Affiliations :
  • Bayer Research & Development, Pharmaceuticals, Investigative Toxicology, Berlin, Germany.

Tania Rivera-Hernandez

2 publications dans cette catégorie

Affiliations :
  • School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, Queensland, Australia.
Publications dans "Groupes témoins" :

Mark J Walker

2 publications dans cette catégorie

Affiliations :
  • School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre, The University of Queensland, St. Lucia, Queensland, Australia.
Publications dans "Groupes témoins" :

Mark R Davies

2 publications dans cette catégorie

Affiliations :
  • Department of Microbiology and Immunology, The University of Melbourne, at the Peter Doherty Institute for Infection and Immunity, Melbourne, Victoria, Australia.
Publications dans "Groupes témoins" :

Alexander Gurjanov

2 publications dans cette catégorie

Affiliations :
  • Bayer Research & Development, Pharmaceuticals, Investigative Toxicology, Berlin, Germany. Electronic address: alexander.gurjanov@bayer.com.

Lea A I Vaas

2 publications dans cette catégorie

Affiliations :
  • Bayer Research & Development, Pharmaceuticals, Research & Pre-Clinical Statistics Group, Berlin, Germany.

Matthew Clark

2 publications dans cette catégorie

Affiliations :
  • KALOS Technologies, Philadelphia, Pennsylvania, USA.

Alexander Amberg

2 publications dans cette catégorie

Affiliations :
  • Sanofi, Preclinical Safety, Frankfurt, Germany.

Frank Bringezu

2 publications dans cette catégorie

Affiliations :
  • Merck Healthcare KGaA, Chemical & Preclinical Safety, Darmstadt, Germany.

Wolfgang Muster

2 publications dans cette catégorie

Affiliations :
  • Roche Pharmaceutical Research & Early Development, Pharmaceutical Sciences, Roche Innovation Center, Basel, Switzerland.

Brice Batomen

1 publication dans cette catégorie

Affiliations :
  • Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada.
Publications dans "Groupes témoins" :

Tarik Benmarhnia

1 publication dans cette catégorie

Affiliations :
  • Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA.
  • Irset Institut de Recherche en Santé, Environnement et Travail, Inserm, University of Rennes, EHESP, Rennes, France.
Publications dans "Groupes témoins" :

Hua Li

1 publication dans cette catégorie

Affiliations :
  • Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Publications dans "Groupes témoins" :

Lumei Huang

1 publication dans cette catégorie

Affiliations :
  • Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Publications dans "Groupes témoins" :

Hailong Jiang

1 publication dans cette catégorie

Affiliations :
  • Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Publications dans "Groupes témoins" :

Jianyang Fang

1 publication dans cette catégorie

Affiliations :
  • Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Publications dans "Groupes témoins" :

Zhide Guo

1 publication dans cette catégorie

Affiliations :
  • Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Publications dans "Groupes témoins" :

Fei Gao

1 publication dans cette catégorie

Affiliations :
  • Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Publications dans "Groupes témoins" :

Mei Chen

1 publication dans cette catégorie

Affiliations :
  • College of Materials Science and Engineering, Hunan University Changsha Hunan 410082 China.
Publications dans "Groupes témoins" :

Duo Xu

1 publication dans cette catégorie

Affiliations :
  • Center for Molecular Imaging and Translational Medicine, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, School of Public Health, Xiamen University Xiamen Fujian 361102 China zhangxzh@xmu.edu.cn zijing.li@xmu.edu.cn.
Publications dans "Groupes témoins" :

Sources (10000 au total)

A Structured Approach to Involve Stakeholders in Prioritising Topics for Systematic Reviews in Public Health.

This study aimed to develop and apply a structured approach for prioritising topics for systematic reviews in public health, framed according to the readily applicable PICO format, which encourages th... We developed a multi-stage process, consisting of a scoping and two Delphi stages with web-based surveys and invited public health stakeholders in Switzerland to participate: First, respondents specif... In total, 215 respondents suggested 728 topics altogether. The response rate in the two Delphi stages was 91.6% and 77.6%, respectively. Most top-rated review topics focused on the effectiveness of in... Our approach encourages involvement of stakeholders in identifying priorities for systematic reviews and highlights disparities between stakeholders and between individual criteria....

Antimicrobial resistance in topical treatments for microbial keratitis: protocol for a systematic review and meta-analysis.

There is evidence for increased resistance against the antimicrobials used to treat keratitis. This review aims to provide global and regional prevalence estimates of antimicrobial resistance in corne... We report this protocol following Preferred Reporting Items for Systematic Review and Meta-Analyses Protocols guidelines. We will conduct an electronic bibliographic search in MEDLINE, EMBASE, Web of ... Ethics approval is not required as this is a protocol for a systematic review of published data. The findings of this review will be published in an open-access, peer-reviewed journal.... CRD42023331126....

Unsupervised title and abstract screening for systematic review: a retrospective case-study using topic modelling methodology.

The importance of systematic reviews in collating and summarising available research output on a particular topic cannot be over-emphasized. However, initial screening of retrieved literature is signi... We implemented a Latent Dirichlet Allocation-based topic model to derive representative topics from the retrieved documents' title and abstract. The second step involves defining a score threshold for... In one case study (helminth dataset), [Formula: see text] sensitivity compared to manual title and abstract screening was achieved. This is against a false positive rate of [Formula: see text]. For th... Unsupervised title and abstract screening has the potential to reduce the workload involved in conducting systematic review. While sensitivity of the methodology on the tested data is low, approximate...

Fear of falling: scoping review and topic analysis protocol.

Fear of falling (FoF) is a major challenge for the quality of life among older adults. Despite extensive work in previous scoping and systematic reviews on separate domains of FoF and interventions re... Following the guidelines of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses-Extension for Scoping Reviews (PRISMA-ScR), seven main databases will be searched from 2000 to the da... No ethics approval is required for the review. The results will be submitted to a peer-reviewed journal and presented at academic conferences. The outcomes will be disseminated through social media, o... The scoping review was registered with the Open Science Framework (https://osf.io/gyzjq)....

The problems with systematic reviews: a living systematic review.

Systematic reviews and meta-analyses are proliferating as they are an important building block to inform evidence-based guidelines and decision-making. Enforcement of best practice in clinical trials ... We conducted a comprehensive assessment of all literature examining problems, which relate to published systematic reviews.... The first iteration of our living systematic review (https://systematicreviewlution.com/) has found 485 articles documenting 67 discrete problems relating to the conduct and reporting of systematic re... Many hundreds of articles highlight that there are many flaws in the conduct, methods, and reporting of published systematic reviews, despite the existence and frequent application of guidelines. Cons...

Digital Biomarker-Based Interventions: Systematic Review of Systematic Reviews.

The introduction of new medical technologies such as sensors has accelerated the process of collecting patient data for relevant clinical decisions, which has led to the introduction of a new technolo... This study aims to assess the methodological quality and quality of evidence from meta-analyses of digital biomarker-based interventions.... This study follows the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guideline for reporting systematic reviews, including original English publications of systematic rev... A total of 25 studies with 91 reported outcomes were included in the final analysis; 1 (4%), 1 (4%), and 23 (92%) studies had high, low, and critically low methodologic quality, respectively. As many ... Researchers in this field should consider the AMSTAR-2 criteria and GRADE to produce high-quality studies in the future. In addition, patients, clinicians, and policymakers are advised to consider the... RR2-10.2196/28204....

Effectiveness of tranexamic acid in orthognathic surgery: A systematic review of systematic reviews.

This study aimed to review the currently available evidence on the effectiveness of administering tranexamic acid (TXA) to patients undergoing orthognathic surgery.... A study protocol was developed in accordance with the Preferred Reporting Guideline for Overviews of Reviews (PRIOR) and registered on the International Prospective Register of Systematic Reviews (PRO... The search strategy yielded a total of 50 articles. After reading the abstracts, 28 articles were excluded, and the English full texts of the remaining 22 studies were separately examined for eligibil... Within the limits of the present study and the reviews of the 7 articles included, it is observed that TXA is able to reduce the amount of intraoperative blood loss and the amount of irrigation fluids...

Efficacy of nonpharmacologic interventions in preoperative anxiety: A systematic review of systematic reviews.

Evidence suggests that preparing patients for surgery using nonpharmacological strategies reduces their anxiety. However, there is no consensus on what the best practices are. This study aims to answe... Preoperative anxiety causes physiological and psychological adverse effects, with a negative effect on postoperative recovery.... According to the World Health Organization, between 266 and 360 million surgical procedures are performed annually worldwide, and it is estimated that more than 50% of patients will experience some de... Systematic review of systematic reviews with results of interventions aimed at mitigating preoperative anxiety.... A search was conducted for systematic reviews with meta-analyses published between 2012 and 2021 in Medline, Scopus, Web of Science and Cochrane Library. Quality was assessed using the AMSTAR-2 scale.... A total of 1016 studies were examined, of which 17 systematic reviews were selected, yielding 188 controlled trials with 16,884 participants. In adults, the most common intervention included music, fo... Interventions that include music, massage and virtual reality reduce preoperative anxiety and have shown that they are cost-effective, minimally invasive and with a low risk of adverse effects. Preope... This review suggests that nursing professionals, in collaboration with other health professionals, should continue to conduct research on the reduction in preoperative anxiety. Further research in thi... Not applied to our study, as it is a systematic review of systematic reviews....