Table 1. Effect of the different correction methods on UCCA measures.
Top row: percent difference of measured UCCA at the extreme table positions (ZCImin and ZCImax). Bottom row: standard deviation of the group of measures performed with different table positions or at the different sites.
|
Correction method: |
None |
Scanner 2D |
Scanner 3D |
Phantom fit |
Vertebral diameters |
Jacobian |
|---|---|---|---|---|---|---|
| Healthy Control A (single site) |
15.2% 4.2mm2 |
6.8% 2.0mm2 |
2.1% 1.0mm2 |
2.9% 0.9mm2 |
1.9% 1.1mm2 |
0.7% 1.1mm2 |
| Healthy Control B (single site) |
12.0% 3.6mm2 |
5.9% 2.0mm2 |
1.8% 1.2mm2 |
3.2% 1.3mm2 |
1.0% 1.9mm2 |
– |
| MS patient (across 7 sites) |
9.6% 2.5mm2 |
– | – | – | 1.1% 1.6mm2 |
1.2% 1.7mm2 |