Table II.
Error of 3D landmark location and measurement: Bland-Altman means, standard deviations, and 95% limits of agreement for y and z coordinates and 3D distances
| Variable | Mean | SD | P | Limits of agreement | |
|---|---|---|---|---|---|
| Low | High | ||||
| A-point anteroposterior axis (mm) | 0.00 | 0.12 | 0.98 | −0.24 | 0.24 |
| A-point superoinferior axis (mm) | −0.01 | 0.29 | 0.92 | −0.58 | 0.56 |
| ANS anteroposteror axis (mm) | 0.07 | 0.30 | 0.48 | −0.52 | 0.66 |
| ANS superoinferior axis (mm) | 0.11 | 0.66 | 0.62 | −1.18 | 1.39 |
| ANS-PNS (°) | 0.57 | 0.69 | 0.03 | −0.78 | 1.91 |
| Pogonion anteroposterior axis (mm) | 0.00 | 0.13 | 0.96 | −0.26 | 0.26 |
| Pogonion superoinferior axis (mm) | −0.22 | 1.12 | 0.55 | −2.41 | 1.97 |
| B-point anteroposterior axis (mm) | 0.04 | 0.14 | 0.43 | −0.24 | 0.31 |
| B-point superoinferior axis (mm) | −0.16 | 1.07 | 0.64 | −2.23 | 1.94 |
| Right mandibular length (mm) | 0.62 | 0.82 | 0.04 | −0.99 | 2.22 |
| Left mandibular length (mm) | −0.17 | 0.78 | 0.50 | −1.70 | 1.35 |
| Right ramus height (mm) | 0.03 | 0.81 | 0.91 | −1.55 | 1.62 |
| Left ramus height (mm) | −0.89 | 0.88 | 0.01 | −2.62 | 0.84 |
| Right corpus length (mm) | −0.43 | 1.48 | 0.39 | −3.32 | 2.47 |
| Left corpus length (mm) | −0.15 | 0.87 | 0.60 | −1.85 | 1.56 |
| Right gonial angle (o) | −0.01 | 2.27 | 0.99 | −4.46 | 4.43 |
| Left gonial angle (o) | −0.50 | 0.93 | 0.13 | −2.33 | 1.33 |
| Right FMPA (o) | 0.52 | 0.73 | 0.05 | −0.92 | 1.96 |
| Left FMPA (o) | 0.61 | 0.58 | 0.01 | −0.53 | 1.75 |
| Right condylion anteroposterior axis (mm) | −0.23 | 0.81 | 0.39 | −1.82 | 1.36 |
| Right condylion superoinferior axis (mm) | −0.08 | 0.28 | 0.41 | −0.63 | 0.47 |
| Left condylion anteroposterior axis (mm) | −0.77 | 0.91 | 0.03 | −2.56 | 1.02 |
| Left condylion superoinferior axis (mm) | 0.02 | 0.45 | 0.91 | −0.86 | 0.89 |
| Geometric center of right condyle anteroposterior axis (mm) | −0.14 | 0.34 | 0.24 | −0.81 | 0.54 |
| Geometric center of right condyle superoinferior axis (mm) | −0.04 | 0.66 | 0.86 | −1.32 | 1.25 |
| Geometric center of left condyle anteroposterior axis (mm) | −0.02 | 0.44 | 0.89 | −0.87 | 0.84 |
| Geometric center of left condyle superoinferior axis (mm) | 0.05 | 0.95 | 0.88 | −1.81 | 1.90 |
| Right anterior fossa anteroposterior axis (mm) | 0.14 | 0.32 | 0.21 | −0.49 | 0.77 |
| Right anterior fossa superoinferior axis (mm) | −0.15 | 0.28 | 0.13 | −0.69 | 0.40 |
| Left anterior fossa anteroposterior axis (mm) | 0.19 | 0.35 | 0.11 | −0.49 | 0.88 |
| Left anterior fossa superoinferior axis (mm) | −0.33 | 0.46 | 0.05 | −1.23 | 0.58 |
| Right posterior fossa anteroposterior axis (mm) | −0.01 | 0.35 | 0.90 | −0.70 | 0.67 |
| Right posterior fossa superoinferior axis (mm) | −0.10 | 0.64 | 0.65 | −1.35 | 1.16 |
| Left posterior fossa anteroposterior axis (mm) | 0.02 | 0.16 | 0.71 | −0.29 | 0.33 |
| Left posterior fossa superoinferior axis (mm) | 0.00 | 0.24 | 0.99 | −0.48 | 0.48 |