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BMC Medical Research Methodology

Featured article: How does the choice of database affect the results of a meta-analysis?

A re-examination of meta-analyses in previously published systematic reviews revealed that the majority of relevant studies appear in a limited number of databases and that changing the combination of databases searched rarely affected the significance of the results obtained. This study provides empirical evidence for the appropriate selection of databases when conducting a systematic review.

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1. RESEARCH ARTICLE

   Can longitudinal generalized estimating equation models distinguish network influence and homophily? An agent-based modeling approach to measurement characteristics

   Kori Sauser Zachrison, Theodore J. Iwashyna, Achamyeleh Gebremariam, Meghan Hutchins and Joyce M Lee

   Published on: 28 December 2016
2. RESEARCH ARTICLE

   Multiple and mixed methods in formative evaluation: Is more better? Reflections from a South African study

   Willem Odendaal, Salla Atkins and Simon Lewin

   Published on: 15 December 2016
3. RESEARCH ARTICLE

   A comparative study: classification vs. user-based collaborative filtering for clinical prediction

   Fang Hao and Rachael Hageman Blair

   Published on: 8 December 2016
4. RESEARCH ARTICLE

   Inter-rater reliability of the QuIS as an assessment of the quality of staff-inpatient interactions

   Ines Mesa-Eguiagaray, Dankmar Böhning, Chris McLean, Peter Griffiths, Jackie Bridges and Ruth M Pickering

   Published on: 7 December 2016
5. RESEARCH ARTICLE

   Joint models for longitudinal and time-to-event data: a review of reporting quality with a view to meta-analysis

   Maria Sudell, Ruwanthi Kolamunnage-Dona and Catrin Tudur-Smith

   Published on: 5 December 2016

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