Table 1 Average RMS values and percent of points deviating by more than 2 mm for comparisons between CAD models and cadaveric anatomy at each CT scan resolution. * Indicates data used from Ahmed, Melaragno et al. [2].
From: Exploring CT pixel and voxel size effect on anatomic modeling in mandibular reconstruction
VOXEL SIZE (mm3) | Z DIM (mm) | X/Y DIM (mm) | Average RMS [95% CI] (mm) | Average % of Points Deviating > 2 mm [95% CI] |
|---|---|---|---|---|
0.0686 | 0.67 | 0.32 | 0.8259 [0.7739–0.8779] | 1.2183 [0.1987–2.2378] |
0.3072 | 3.00 | 0.32 | 0.9199 [0.8817–0.9581] | 2.5127 [0.2005–4.4015] |
0.4483* | 0.67 | 0.818 | 0.8655 [0.7696–0.9615] | 1.2748 [-0.3345-2.8842] |
0.7031 | 1.25 | 0.75 | 0.8958 [0.8694–0.9222] | 2.3010 [0.9377–4.0877] |
0.8364* | 1.25 | 0.818 | 0.8777 [0.8478–0.9076] | 2.1181 [0.0529–4.1833] |
1.6875 | 3.00 | 0.75 | 0.9767 [0.9402–1.0131] | 3.8298 [2.2349–5.4247] |
2.0073* | 3.00 | 0.818 | 1.0104 [0.8802–1.1407] | 2.8597 [0.3507–5.3688] |
3.0000 | 3.00 | 1.00 | 1.0054 [0.9892–1.0217] | 4.4367 [1.1837–7.6898] |
3.3456* | 5.00 | 0.818 | 1.3771 [0.9783–1.7759] | 8.2031 [0.6050–15.8012] |
5.2272 | 3.00 | 1.32 | 1.0186 [0.9775–1.0598] | 4.8682 [2.4435–7.2929] |
8.7120 | 5.00 | 1.32 | 1.3774 [1.0430–1.7118] | 10.4424 [5.5659–15.3188] |