Table 3.
Adverse events of included trials.
| Trials | Postoperative Nausea and Vomiting* | Postoperative Pain | Sinus bradycardia* | Hypotension* | Re-intubation of the trachea* | Postoperative wound infection* | Postoperative pneumonia* | Postoperative somnolence* | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T | C | T | C | T | C | T | C | T | C | T | C | T | C | T | C | |
| Qian, 2021 | 4/32 | 12/32 | NA | NA | NA | NA | 2/32 | 4/32 | NA | NA | ||||||
| Wang et al,2016a | NA | 2.6 ± 0.8 | 2.8 ± 1 | NA | NA | NA | NA | NA | NA | |||||||
| Wang et al,2016b | NA | 2.3 ± 1 | 2.5 ± 1 | NA | NA | NA | NA | NA | NA | |||||||
| Wu and Luo, 2020 | 4/42 | 5/42 | NA | NA | NA | NA | NA | NA | NA | |||||||
| Wu et al, 2021 | 1/30 | 6/30 | NA | NA | NA | NA | NA | NA | 2/30 | 9/30 | ||||||
| Zhang, 2021 | 4/43 | 2/43 | 4/43* | 4/43* | NA | NA | NA | NA | 3/43 | 3/43 | NA | |||||
| Wei et al, 2021 | NA | 3.54 ± 0.9a# | 3.5 ± 0.96a# | NA | NA | NA | NA | NA | NA | |||||||
| 2.74 ± 0.77b# | 2.67 ± 0.81b# | |||||||||||||||
| 2.2 ± 0.75c# | 2.15 ± 0.84c# | |||||||||||||||
| Liu, 2019 | NA | NA | 14/59 | 15/59 | 13/59 | 11/59 | 1/59 | 2/59 | NA | NA | NA | |||||
a: The VAS pain score at 6 h postoperatively.
b: The VAS pain score at 24 h postoperatively.
c: The VAS pain score at 48 h postoperatively.
*: Values are numbers: (n/N).
#: The means and standard deviations for the scores of Visual Analogue Scale: ().