| Class III | Class I | Difference (I–III) | P |
---|---|---|---|---|
Midline | ||||
 Y15 | 6.55 ± 1.91 | 7.09 ± 1.87 | − 0.53 ± 0.43 | 0.217 |
 Y12 | 6.02 ± 1.67 | 6.41 ± 1.73 | − 0.39 ± 0.39 | 0.316 |
 Y9 | 6.00 ± 1.91 | 6.59 ± 1.64 | − 0.58 ± 0.40 | 0.047* |
 Y6 | 6.41 ± 2.04 | 7.38 ± 1.74 | − 0.96 ± 0.42 | 0.026* |
 Y3 | 6.83 ± 2.27 | 7.96 ± 1.79 | − 1.13 ± 0.46 | 0.015* |
 Y0 | 7.00 ± 2.28 | 7.85 ± 1.73 | − 0.85 ± 0.45 | 0.064 |
 Y-3 | 7.04 ± 1.94 | 7.35 ± 1.73 | − 0.31 ± 0.41 | 0.452 |
 Y-6 | 6.44 ± 1.55 | 6.75 ± 1.89 | − 0.31 ± 0.39 | 0.425 |
 Y-9 | 5.37 ± 1.46 | 5.79 ± 1.69 | − 0.42 ± 0.36 | 0.239 |
Medial | ||||
 Y15 | 5.47 ± 1.63 | 5.85 ± 2.30 | − 0.38 ± 0.45 | 0.404 |
 Y12 | 4.16 ± 1.25 | 4.75 ± 1.73 | − 0.59 ± 0.34 | 0.087 |
 Y9 | 3.62 ± 1.16 | 4.34 ± 1.56 | − 0.72 ± 0.31 | 0.022* |
 Y6 | 3.40 ± 1.17 | 4.15 ± 1.45 | − 0.76 ± 0.30 | 0.012* |
 Y3 | 3.19 ± 1.08 | 4.03 ± 1.41 | − 0.83 ± 0.28 | 0.004** |
 Y0 | 2.75 ± 1.02 | 3.56 ± 1.37 | − 0.81 ± 0.27 | 0.004** |
 Y-3 | 2.67 ± 1.04 | 3.40 ± 1.20 | − 0.73 ± 0.25 | 0.005** |
 Y-6 | 2.19 ± 0.98 | 2.71 ± 1.01 | − 0.53 ± 0.22 | 0.021* |
 Y-9 | 1.62 ± 0.74 | 1.99 ± 0.75 | − 0.37 ± 0.17 | 0.029* |
Lateral | ||||
 Y15 | 5.19 ± 1.78 | 5.42 ± 2.38 | − 0.23 ± 0.48 | 0.624 |
 Y12 | 3.58 ± 1.36 | 3.99 ± 1.76 | − 0.41 ± 0.36 | 0.251 |
 Y9 | 2.94 ± 1.23 | 3.28 ± 1.48 | − 0.34 ± 0.30 | 0.267 |
 Y6 | 2.41 ± 1.08 | 2.81 ± 1.34 | − 0.40 ± 0.27 | 0.146 |
 Y3 | 2.10 ± 0.99 | 2.45 ± 1.10 | − 0.35 ± 0.23 | 0.141 |
 Y0 | 1.76 ± 0.82 | 2.04 ± 0.97 | − 0.28 ± 0.20 | 0.166 |
 Y-3 | 1.24 ± 0.65 | 1.62 ± 0.65 | − 0.37 ± 0.14 | 0.012* |
 Y-6 | 0.97 ± 0.52 | 1.11 ± 0.38 | − 0.14 ± 0.10 | 0.040* |
 Y-9 | 0.79 ± 0.64 | 1.03 ± 0.40 | − 0.24 ± 0.12 | 0.048* |