Postoperative adverse events and the modified Aldrete score
| Control group (n=598) | Esketamine group (n=598) | P value | |
| Respiratory depression | 32 (5.35) | 16 (2.68) | 0.027 |
| Hypotension | 15 (2.51) | 14 (2.34) | 0.851 |
| Hypertension | 38 (6.35) | 57 (9.53) | 0.042 |
| Delirium and agitation | 88 (14.72) | 91 (15.22) | 0.808 |
| Nausea and vomiting | 24 (4.01) | 27 (4.52) | 0.668 |
| Shivering | 14 (2.34) | 17 (2.84) | 0.584 |
| Reintubation | 0 | 0 | – |
| The modified Aldrete score | 0.502 | ||
| 9 points | 40 (6.69) | 46 (7.69) | |
| 10 points | 558 (93.31) | 552 (92.31) |
Data are presented as n (%).