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Management survey for operations conducted in this study
| Value | |
| Anesthesiologists’ (ASA) Grading | |
| P 1 | 89 |
| P 2 | 62 |
| P 3 | 9 |
| P 4, 5 or 6 | 0 |
| Adverse reactions | |
| Body movement | 2 |
| Respiratory depression | 2 |
| Vomiting | 2 |
| Dizziness | 3 |
| Exhaustion and fatigue | 12 |
| Pain management | |
| Level 0-3 | 132 |
| Level 4-6 | 28 |
| Above level 7-10 | 0 |
