dataset referring to Disagreements in risk of bias assessment for randomised controlled trials included in more than one Cochrane systematic reviews: a research on research study using cross-sectional design Lorenzo Bertizzolo1, Patrick M Bossuyt2, Ignacio Atal1, 5, Philippe Ravaud1, 3-6, Agnès Dechartres7 1 INSERM, U1153 Epidemiology and Biostatistics Sorbonne Paris Cité Research Center (CRESS), Methods of therapeutic evaluation of chronic diseases Team (METHODS), Paris, F-75004 France; Paris Descartes University, Sorbonne Paris Cité, France. 2 Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center, University of Amsterdam, Netherlands. 3 Centre d’Épidémiologie Clinique, Hôpital Hôtel Dieu, AP-HP (Assistance Publique des Hôpitaux de Paris), Paris, France. 4 Faculté de Médecine, Université Paris Descartes, Sorbonne Paris Cité, Paris, France. 5 Cochrane France, Paris, France 6 Columbia University, Mailman School of Public Health, Department of Epidemiology, New York, USA 7 Sorbonne Université, INSERM, Institut Pierre Louis de Santé Publique, Département Biostatistique, Santé Publique et Information Médicale, AP-HP, Hôpitaux Universitaires Pitié Salpêtrière – Charles Foix, Paris, France