Fig. 4
From: COVID-19-related medical research: a meta-research and critical appraisal
Topics addressed in COVID-19-related medical articles. Each barplot represents the number of articles dealing with the corresponding topic. 200 topics were listed after the first screening. After the discussion and consensus with our teams, they were categorized into 45 topics presented in the figure. All topics meaning is detailed in the supplementary Table 1. For a better insight, we have defined an ultimate categorization, defined in the legend: 1) Epidemiology, diagnosis, prognosis and treatment, 2) Health policy, 3) Modeling, 4) Medical specialty, and 5) Other