“…Twenty-five studies evaluated 27 audiovisual interventions (Tables 2 and 6). 34,36,37,39,40,42,43,46,48,50,[58][59][60][61][62][63][64][65][66][67][68][69][70]84,85 Audiovisual interventions included videos of varying length, visual aids (noninteractive PowerPoint or multimedia presentations, posters, diagrams, or anatomical models), and audio and video recordings. Fifteen audiovisual interventions (56%) resulted in improved patient comprehension compared with standard informed consent ( Figure 2), 34,39,40,42,48,50,61,64,65,[68][69][70]84 and the remaining did not.…”