Table 5 Inter-group comparisons of skeletal variables between the control group and UPCB group
Control group | UPCB group | |||||
|---|---|---|---|---|---|---|
Mean ± SD | 95% CI | Mean ± SD | 95% CI | t value | P value | |
Morphological measurements of the maxilla and mandible | ||||||
Vertical | ||||||
Maxillary height difference (mm) | 0.34 ± 0.44 | − 0.17, 0.24 | − 0.49 ± 1.13 | − 1.02, 0.03 | 1.94 | 0.064 |
CAI (%) | 14.41 ± 10.08 | 9.69, 19.13 | 17.9 ± 11.49 | 12.53, 23.29 | − 1.023 | 0.313 |
RAI (%) | 3.53 ± 3.03 | 2.09, 4.93 | 6.20 ± 5.85 | 3.46, 8.94 | − 1.822 | 0.079 |
CRAI (%) | 2.59 ± 1.99 | 1.65, 3.52 | 7.92 ± 11.75 | 2.43, 13.43 | − 2.00 | 0.059 |
Sagittal | ||||||
Mandibular corpus length difference (mm) | 1.58 ± 1.94 | 0.67, 2.48 | − 3.65 ± 2.42 | − 4.79, − 2.52 | 7.53 | 0.000* |
Transverse | ||||||
Jugal process width difference (mm) | 0.93 ± 3.01 | − 0.48, 2.34 | 0.18 ± 1.12 | − 0.35, 0.70 | 0.426 | 0.672 |
Antegonial width difference (mm) | − 0.33 ± 3.91 | − 2.16, 1.50 | 6.54 ± 3.77 | 4.78, 8.31 | − 5.659 | 0.000* |
Interjugular width (mm) | 65.65 ± 3.61 | 63.96, 67.33 | 65.14 ± 3.96 | 65.14, 66.99 | 1.051 | 0.304 |
Interantegonial width (mm) | 86.66 ± 4.90 | 84.68, 89.22 | 86.65 ± 4.21 | 84.68, 88.61 | 0.212 | 0.833 |
Maxillomandibular width difference (mm) | − 21.31 ± 3.85 | − 23.11, − 19.50 | − 22.60 ± 3.89 | − 22.41, − 20.78 | 1.058 | 0.297 |
Menton deviation (mm) | − 0.49 ± 2.54 | − 1.67, 0.70 | 3.18 ± 5.01 | 0.83, 5.53 | − 2.922 | 0.006* |
Positional measurements of the condylar | ||||||
Difference of condylar process anteroposterior position (mm) | 0.22 ± 2.09 | − 0.76, 1.20 | 0.96 ± 3.46 | − 0.66, 2.58 | − 0.819 | 0.418 |
Difference of condylar process vertical position (mm) | 0.44 ± 1.25 | − 0.14,1.02 | 0.17 ± 2.17 | − 0.85, 1.18 | 0.491 | 0.626 |
Difference of condylar process transverse position (mm) | 0.13 ± 1.35 | − 0.50, 0.76 | 0.13 ± 2.20 | − 0.90, 1.16 | − 0.006 | 0.995 |
Difference of condylar process angle (°) | 2.22 ± 4.59 | 0.07, 4.36 | − 2.09 ± 9.43 | − 6.50, 2.32 | 1.836 | 0.077 |