Treatment for patients with a dual diagnosis

This dataset contain the following information: 1) A flow diagram, adapted from the PRISMA flow diagram, detailing the study selection procedure. 2) A tabulated summary detailing the characteristics of the studies included in this systematic review. The following components were extracted and documented: (a) the authors and country of publication, (b) the study’s objectives, (c) the study’s setting, (d) the type of dual diagnosis under investigation, (e) a brief description of the sample participants, (f) the respective study design, and (g) the main findings reported in the studies. 3) A tabulated summary detailing the full breakdown of the theme development process and the hierarchy of evidence.