| Event | Number | % |
| Cardiogenic schock | 15 | 9.25 |
| Serum electrolyt disorders | 5 | 3.08 |
| Atrial fibrillation | 2 | 1.23 |
| Abortion | 2 | 1.23 |
| Others | 6 | 0.61 |
| Death | 52 | 32.09 |