| Profile of the surgery-related incidents | Cases (n = 84) | % |
| The other unexpected events | 37 | 15.7 |
| Second surgery within 24 hours | 22 | 9.3 |
| Unexpected excessive hemorrhaging | 16 | 6.8 |
| Unexpected surgical operation | 5 | 2.1 |
| Death within 48 hours | 3 | 1.3 |
| Intraoperative cardiac arrest | 1 | 0.4 |