“…Table 4 shows all the instruments and outcomes measures for the quantitative studies. Regarding the most studies variables in these studies, anxiety was measured in six articles [ 32 , 39 , 47 , 49 , 54 , 57 ], depression was measured in four of them [ 39 , 47 , 54 , 57 ], and, lastly, tension, irritation, vigor fatigue, distraction, and perspective taking were measured in two articles [ 32 , 39 ]. Three studies were classified as randomized controlled trials [ 45 , 46 , 50 ], two of them [ 45 , 50 ] showing within group improvements in social role, symptom distress, interpersonal relationships, or empathic concern, among others.…”