Effect of music therapy on chemotherapy-induced nausea and vomiting in gastrointestinal cancer: A systematic review and meta-analysis

Figure 1 Literature selection flow chart. RCT: Randomized control trial.

Figure 2 Bias analysis based on ROB 2. 0.

Figure 3 Effect of music therapy on nausea symptom score, vomiting symptom scores, and the number of cases of nausea and vomiting after chemotherapy. A: Nausea symptom score; B: Vomiting symptom scores; C: The number of cases of nausea and vomiting. CI: Confidence interval.

Figure 4 Meta-regression analysis of incidence indicators for nausea and vomiting: Publication year factor (P = 0. 68).

Figure 5 Funnel plot for nausea and vomiting incidence indicators.