We included eight studies (total 483 participants). These examined effects of music therapy over the short- to medium-term (one to
four months), with treatment ’dosage’ varying from seven to 78 sessions. Music therapy added to standard care was superior to standard
care for global state (medium-term, 1 RCT, n = 72, RR 0.10 95% CI 0.03 to 0.31, NNT 2 95% CI 1.2 to 2.2). Continuous data