Heterogeneity in Cochrane and non-Cochrane meta-analyses in orthodontics
نویسندگان
چکیده
منابع مشابه
Systematic Differences between Cochrane and Non-Cochrane Meta-Analyses on the Same Topic: A Matched Pair Analysis
BACKGROUND Meta-analyses conducted via the Cochrane Collaboration adhere to strict methodological and reporting standards aiming to minimize bias, maximize transparency/reproducibility, and improve the accuracy of summarized data. Whether this results in differences in the results reported by meta-analyses on the same topic conducted outside the Cochrane Collaboration is an open question. MET...
متن کاملA Re-Analysis of the Cochrane Library Data: The Dangers of Unobserved Heterogeneity in Meta-Analyses
BACKGROUND Heterogeneity has a key role in meta-analysis methods and can greatly affect conclusions. However, true levels of heterogeneity are unknown and often researchers assume homogeneity. We aim to: a) investigate the prevalence of unobserved heterogeneity and the validity of the assumption of homogeneity; b) assess the performance of various meta-analysis methods; c) apply the findings to...
متن کامل[The Cochrane collaboration and the Cochrane library in urology].
The Cochrane Collaboration is an international, non-profit making organisation which aims to help people make well-informed health care decisions. The main objective is to prepare, update, promote and facilitate access to systematic reviews on health care interventions. The main product is The Cochrane Library, a quarterly electronic publication. The principles and structure of the Cochrane Col...
متن کاملCochrane and non-Cochrane systematic reviews in leading orthodontic journals: a quality paradigm?
The aims of this study were to assess and compare the methodological quality of Cochrane and non-Cochrane systematic reviews (SRs) published in leading orthodontic journals and the Cochrane Database of Systematic Reviews (CDSR) using AMSTAR and to compare the prevalence of meta-analysis in both review types. A literature search was undertaken to identify SRs that consisted of hand-searching fiv...
متن کاملHeterogeneity and subgroup analyses in Cochrane Consumers and Communication Review Group reviews: Planning the analysis at protocol stage Heterogeneity
Clinical heterogeneity refers to differences associated with the participants, interventions or outcomes. Even though a review deliberately selects studies that may be similar in many ways based on these factors, there can still be substantial differences that mean it might not make sense to pool studies. For example, thinking through clinical heterogeneity might involve considering whether s...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Dentistry
سال: 2018
ISSN: 0300-5712
DOI: 10.1016/j.jdent.2018.05.003