Table 2.
Correlation between single 3-DEMO parameters and Cobb degrees in sagittal and frontal planes. Cobb and a Sagittal Index were obtrained with a sum of the angles in each radiographic plane, considering positive a right curve and lordosis, and negative a left curve and kyphosis.
3-DEMO parameters | ||||||||
Direction | LL Shift | AP Shift | Phase | |||||
RSquare | P | RSquare | P | RSquare | P | RSquare | P | |
Proximal Curve (°Cobb) | 0.08 | 0.003 | 0.07 | 0.004 | 0.11 | <0.001 | 0.19 | <0.001 |
Distal Curve (°Cobb) | 0.01 | NS | 0.01 | NS | 0.04 | 0.04 | 0.15 | <0.001 |
Worst Curve (°Cobb) | 0.03 | 0.03 | 0.04 | 0.03 | 0.05 | 0.02 | 0.18 | <0.001 |
Cobb Index | 0.04 | 0.04 | 0.02 | NS | 0.35 | <0.001 | 0.03 | NS |
Kyphosis | 0.10 | 0.001 | 0.23 | <0.001 | 0.05 | 0.02 | 0.03 | NS |
Lordosis | 0.03 | NS | 0.00 | NS | 0.01 | NS | 0.00 | NS |
Sagittal Index | 0.01 | NS | 0.15 | <0.001 | 0.01 | NS | 0.02 | NS |