Visualizing evidence-based disagreement over time: the landscape of a public health controversy 2002-2014.

ABSTRACT: Systematic reviews answer specific questions based on primary literature. However, systematic reviews on the same topic frequently disagree, yet there are no approaches for understanding why at a glance. Our goal is to provide a visual summary that could be useful to researchers, policy makers, and health care professionals in understanding why health controversies persist in the expert literature over time. We present a case study of a single controversy in public health, around the question: "Is reducing dietary salt beneficial at a population level?" We define and visualize three new constructs: the overall evidence base, which consists of the evidence summarized by systematic reviews (the inclusion network) and the unused evidence (isolated nodes). Our network visu

SUBMITTER: Hsiao TK 

PROVIDER: S-EPMC8313017 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature