Table 3.
ANOVA test results for comparison of dimensions of volume-rendered vertebra with dimensions of models tessellated with various surface extraction algorithms in Analyze
| Dimension | Rendered vertebra (mm) | AD-CE-1 (mm) | AD-CE-3 (mm) | AD-CE-5 (mm) |
|---|---|---|---|---|
| UEW | 47.1 ± 0.38 | 48.1 ± 0.20 | 48.4 ± 0.40 | 48.7 ± 0.10 |
| UED | 31.1 ± 0.12 | 31.9 ± 0.04 | 32.7 ± 0.07 | 33.4 ± 0.21 |
| LED | 47.8 ± 0.61 | 49.4 ± 0.18 | 50.2 ± 0.37 | 51.2 ± 0.39 |
| LEW | 30.7 ± 0.30 | 31.9 ± 0.19 | 33.0 ± 0.17 | 33.8 ± 0.36 |
| VBHp right | 26.0 ± 0.31 | 27.1 ± 0.19 | 27.9 ± 0.12 | 28.3 ± 0.18 |
| VBHp left | 25.3 ± 0.26 | 26.6 ± 0.17 | 27.2 ± 0.49 | 28.2 ± 0.35 |
| SCW | 26.8 ± 0.40 | 27.7 ± 0.15 | 28.6 ± 0.15 | 29.5 ± 0.11 |
| SCD | 24.5 ± 0.46 | 23.6 ± 0.07 | 22.8 ± 0.05 | 21.7 ± 0.08 |
| VBHa | 19.5 ± 0.26 | 19.2 ± 0.03 | 18.1 ± 0.03 | 17.3 ± 0.03 |
| PDW left | 9.1 ± 0.50 | 10.0 ± 0.09 | 10.8 ± 0.06 | 11.7 ± 0.13 |
| PDW right | 16.6 ± 0.44 | 16.9 ± 0.28 | 17.5 ± 0.06 | 18.1 ± 0.04 |
| PDH left | 10.5 ± 0.69 | 11.8 ± 0.27 | 13.0 ± 0.04 | 13.7 ± 0.04 |
| PDH right | 15.8 ± 0.15 | 16.8 ± 0.11 | 17.2 ± 0.08 | 18.5 ± 0.21 |
| TPW | 76.8 ± 0.50 | 77.7 ± 0.10 | 78.1 ± 0.03 | 78.6 ± 0.05 |
| VBa to SPp | 83.8 ± 0.68 | 85.2 ± 0.07 | 86.0 ± 0.04 | 86.9 ± 0.11 |
| Dimension | Rendered vertebra (mm) | MC-Bin (mm) | TW-AD (mm) | TW-MC (mm) |
| UEW | 47.1 ± 0.38 | 48.0 ± 0.40 | 50.0 ± 0.30 | 49.1 ± 0.30 |
| UED | 31.1 ± 0.12 | 32.0 ± 0.06 | 34.8 ± 0.02 | 33.2 ± 0.10 |
| LED | 47.8 ± 0.61 | 50.0 ± 0.25 | 52.2 ± 0.44 | 51.2 ± 0.20 |
| LEW | 30.7 ± 0.30 | 32.2 ± 0.15 | 35.1 ± 0.35 | 33.2 ± 0.11 |
| VBHp right | 26.0 ± 0.31 | 27.2 ± 0.35 | 29.4 ± 0.12 | 28.3 ± 0.04 |
| VBHp left | 25.3 ± 0.26 | 26.8 ± 0.28 | 29.4 ± 0.54 | 27.9 ± 0.08 |
| SCW | 26.8 ± 0.40 | 28.0 ± 0.12 | 30.4 ± 0.05 | 29.2 ± 0.12 |
| SCD | 24.5 ± 0.46 | 23.5 ± 0.04 | 20.4 ± 0.04 | 22.2 ± 0.06 |
| VBHa | 19.5 ± 0.26 | 19.0 ± 0.10 | 15.9 ± 0.02 | 17.8 ± 0.04 |
| PDW left | 9.1 ± 0.50 | 10.1 ± 0.03 | 13.1 ± 0.06 | 11.2 ± 0.07 |
| PDW right | 16.6 ± 0.44 | 17.2 ± 0.04 | 19.7 ± 0.08 | 18.4 ± 0.02 |
| PDH left | 10.5 ± 0.69 | 12.1 ± 0.10 | 14.9 ± 0.04 | 13.2 ± 0.04 |
| PDH right | 15.8 ± 0.15 | 16.9 ± 0.10 | 19.5 ± 0.07 | 18.1 ± 0.22 |
| TPW | 76.8 ± 0.50 | 77.9 ± 0.03 | 80.3 ± 0.03 | 79.1 ± 0.06 |
| VBa to SPp | 83.8 ± 0.68 | 85.4 ± 0.05 | 88.0 ± 0.02 | 86.6 ± 0.01 |
The shaded cells are significantly different (P < 0.05) from the software rendered dimension measurement. Numbers 1, 3, and 5 denote cube edge size for these algorithms
AD adaptive deformation, CE cube edge, MC marching cubes, TW thin wall