Table 4.
Measured artefact volume (cm3) and the according percentage of artefact reduction for each evaluated sequence compared with conventional acquisition based on four image contrasts
| Magnetic field | Metallic implant | Product | VAT | Slice encoding for metal artefact correction-VAT |
|---|---|---|---|---|
| 1.5 T | SS screw | 29.3 ± 18.8 | 9.9 ± 6.4 (65% ± 10%) | 3.8 ± 0.8 (83% ± 9%) |
| SS plate | 279.6 ± 75.9 | 80.4 ± 24.6 (71% ± 7%) | 30.8 ± 9.7 (89% ± 3%) | |
| 3.0 T | SS screw | 57.5 ± 23.2 | 30.0 ± 10.1 (45% ± 15%) | 17.0 ± 10.9 (72% ± 7%) |
| SS plate | 480.4 ± 49.2 | 394.4 ± 76.9 (19% ± 11%) | 304.4 ± 87.9 (38% ± 13%) |
Product, conventional sequence; SS, stainless steel; VAT, view angle tilting.
The results are expressed as mean ± standard deviation.