Table 2.
Mean ± standard deviation values for comparisons of measurements obtained from 3D-CT, 3D-FDM, and 3D-GAS images of the tibial bone surfaces (n = 12) of six canine cadavers
| Variable | EFDM-CT (3D-FDM vs. 3D-CT) | EGAS-FDM (3D-GAS vs. 3D-FDM) |
|---|---|---|
| Surface deviation | ||
| Root mean square (mm) | 0.1214 ±0.0185 a | 0.0431 ±0.0248 |
| Average deviation positive (mm) | 0.0973 ±0.0182 a | 0.0234 ±0.0162 |
| Average deviation negative (mm) | −0.0737 ±0.0170 a | − 0.0258 ±0.0196 |
| Curvature difference of cross-sectional measurements of bone surface at: | ||
| (a) 5% length of the tibia (mm) | 0.3025 ±0.2159 b | 0.0491 ±0.0428 |
| (b) 15% length of the tibia (mm) | 0.0863 ±0.0227 | 0.0273 ±0.0180 |
| (c) 25% length of the tibia (mm) | 0.0645 ±0.0186 | 0.0247 ±0.0137 |
| (d) 50% length of the tibia (mm) | 0.1313 ±0.0449 | 0.0376 ±0.0404 |
| (e) 75% length of the tibia (mm) | 0.1307 ±0.0385 | 0.0263 ±0.0194 |
| (f) 85% length of the tibia (mm) | 0.1020 ±0.0353 | 0.0239 ±0.0160 |
| (g) 95% length of the tibia (mm) | 0.1288 ±0.0674 | 0.0351 ±0.0346 |
a P < 0.0001.b P < 0.0001