| Artifactscaused by | 1.5 T | 3.0 T | ||
| men | women | men | women | |
| Movement | 4 | 1 | 6 | 2 |
| Distorsion of magnetic field | 2 | 0 | 3 | 1 |
| Metal objects | 2 | 1 | 2 | 1 |
| Other | 1 | 0 | 2 | 1 |
| Total | 9 | 2 | 13 | 5 |