Table 2 Artifact size of the solely scanned screws
From: Biodegradable magnesium Herbert screw – image quality and artifacts with radiography, CT and MRI
Imaging modality | Mg: mean artifact size [mm] | Ti: mean artifact size [mm] | Mean difference in artifact size [mm] | T-value | P-value |
|---|---|---|---|---|---|
DX | 4.5 ± 0.3 | 5.2 ± 0.2 | 0.7 ± 0.2 | 4.1 | <0.005 |
MDCT | 5.7 ± 0.4 | 11.9 ± 0.5 | 6.2 ± 0.2 | 27.0 | <0.001 |
FPCT | 5.5 ± 0.2 | 11.4 ± 0.5 | 5.9 ± 0.2 | 31.8 | <0.001 |
3 T MRI | |||||
PDw TSE | 5.2 ± 0.7 | 7.9 ± 0.5 | 2.6 ± 0.3 | 9.1 | <0.001 |
T1w TSE | 8.4 ± 0.7 | 12.9 ± 1.0 | 4.5 ± 0.4 | 10.6 | <0.001 |
PDw TSE WARP | 5.0 ± 0.7 | 6.2 ± 0.5 | 1.1 ± 0.3 | 3.6 | <0.005 |