| Group | K | P | S |
| Laryngospasm (operating room) | 1 (3%) | 0 | 0 |
| Breath holding at induction | 1 (3%) | 0 | 2 (5%) |
| Oxygen saturation < 96% (recovery room) | 7 (18%)* | 2 (5%) | 1 (3%) |
| Vomiting (recovery room) | 4 (11%) | 3 (8%) | 4 (11%) |