Table 2.
The MRE and SDR value of landmarks obtained from test data
| Anatomic Landmark | 2 mm | 2.5 mm | 3 mm | 4 mm | MRE ± SD | |
|---|---|---|---|---|---|---|
| Sella (S) | 98.3 | 99.4 | 99.4 | 99.4 | 0.616 ± 0.43 | |
| Nasion (N) |
77.8 | 83.9 | 89.4 | 94.4 | 1.391 ± 1.26 | |
| Orbitale (Or) |
66.1 | 73.3 | 83.3 | 92.2 | 2.070 ± 1.63 | |
| Porion (Po) |
65.0 | 75.6 | 80.6 | 90.6 | 3.963 ± 1.78 | |
| Mx1r |
72.2 | 82.2 | 87.8 | 93.9 | 4.870 ± 1.84 | |
| B point |
66.1 | 79.4 | 85.0 | 91.1 | 3.416 ± 1.82 | |
| Pogonion (Pg) |
73.9 | 80.6 | 87.2 | 93.3 | 1.579 ± 1.31 | |
| Menton (Me) |
67.8 | 75.0 | 83.9 | 92.8 | 1.429 ± 1.33 | |
| Gnathion (Gn) |
88.9 | 93.3 | 96.1 | 97.8 | 2.172 ± 1.13 | |
| Gonion (Go) |
48.3 | 62.8 | 73.9 | 87.2 | 8.304 ± 2.98 | |
| Md1c |
91.7 | 93.3 | 95.0 | 95.6 | 5.318 ± 1.62 | |
| Mx1c |
94.4 | 95.0 | 95.6 | 95.6 | 1.774 ± 0.86 | |
| Labiale superior (Ls) |
90.6 | 94.4 | 95.6 | 96.7 | 2.519 ± 1.10 | |
| Labiale inferior (Li) |
86.7 | 89.4 | 92.2 | 95.6 | 2.110 ± 1.18 | |
| Subnasale (Sn) |
90.6 | 94.4 | 96.1 | 97.2 | 2.028 ± 1.08 | |
| Soft tissue pogonion (Pg’) |
53.9 | 66.1 | 70.0 | 78.9 | 4.045 ± 2.32 | |
| Posterior nasal spina (PNS) |
66.1 | 78.3 | 84.4 | 90.6 | 5.780 ± 2.24 | |
| Anterior nasal spina (ANS) |
78.3 | 86.1 | 90.6 | 95.6 | 4.187 ± 1.68 | |
| Articulare (Ar) |
69.4 | 77.2 | 82.2 | 90.0 | 5.570 ± 2.03 | |
| A point |
76.1 | 83.3 | 87.8 | 94.4 | 5.124 ± 1.67 | |
| Md1r |
81.7 | 89.4 | 95.6 | 97.8 | 3.524 ± 1.41 | |
| Mean | 76.2 | 83.5 | 88.2 | 93.4 | 3.400 ± 1.57 |
MRE, mean radial error; SD, standard deviation.