Table 5.
Adverse events in included studies.
| Study (reference) | Sample size (A)/(B) | (A) Treatment group | (B) Control group | Adverse events |
|---|---|---|---|---|
| Liu and Zhang 2013 [37] | 55/55 | MA | CM (ondansetron) | A : none. |
| B: 2 cases of dizziness, 3 cases with constipation, and 13 cases with extrapyramidal symptoms | ||||
| Shen 2014 [39] | 57/57 | MA + (B) | CM (Metoclopramide) | A: 1 case of dizziness |
| B: 3 cases of dizziness, 1 case with constipation, and 2 cases with extrapyramidal symptoms | ||||
| Jing 2017 [40] | 40/40 | MA + (B) | CM | None |
| Xiao 2012 [43] | 60/60 | MA | CM | |
| (fentanyl and morphine) | A: 1 case of dizziness | |||
| B: 25 cases of PONV and 2 cases with hypotension |