| Angle of knee position [˚] |
AM portal relatively standard deviation of radial distortion [%] |
AL portal relatively standard deviation of radial distortion [%] |
TT portal relatively standard deviation of radial distortion [%] |
| 30 |
no visibility |
no visibility |
0.95 |
| 50 |
0.68 |
1.24 |
0.68 |
| 70 |
1.46 |
1.20 |
0.54 |
| 90 |
1.10 |
1.27 |
0.15 |
| 110 |
0.40 |
1.18 |
0.15 |
| 130 |
0.10 |
0.70 |
0.08 |