Table 4.
Comparison of segmentation programs with linear regression analysis, using manual segmentation (Mimics) as indipendent variable and semi-automatic segmentation (other software) as dependent variables.
| Dependent Variables |
Predictor Variables |
R | R Squared | Significance | 95% Interval Coefficient (B) | |
|---|---|---|---|---|---|---|
| Lower Limit | Upper Limit | |||||
| ITK-Snap | Manual Segmentation |
0.992 | 0.983 | p < 0.001 | 0.924 | 1.052 |
| Invesalius | 0.960 | 0.922 | p < 0.001 | 0.772 | 1.033 | |
| Dolphin 3D | 0.989 | 0.978 | p < 0.001 | 0.894 | 1.039 | |
| Slicer 3D | 0.968 | 0.937 | p < 0.001 | 0.831 | 1.077 | |