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Forest plot results of commonly occurring adverse events.
| Adverse events | Sample | RR (95%CI) | Z value | P value | Heterogeneity | P value for heterogeneity |
| Dizziness | 895 | 3.30 (2.20,4.95) | 5.78 | 0.00 | 0.00% | 0.70 |
| Dissociation | 895 | 5.68 (3.34,9.65) | 6.42 | 0.00 | 0.00% | 0.55 |
| Dysgeusia | 895 | 1.37 (0.99,1.89) | 1.88 | 0.06 | 0.00% | 0.48 |
| Vertigo | 895 | 7.04 (3.56,13.93) | 5.61 | 0.00 | 0.00% | 0.81 |
| Nausea | 895 | 3.25 (2.19,4.84) | 5.81 | 0.00 | 0.00% | 0.56 |
