Table 4.
Results of the independent t test for comparison between experimental and control groups at the initial period (T1).
| Variables | Experimental Group (T1) (n = 20) | Control Group (T1) (n = 25) | p |
|---|---|---|---|
| Mean ± S.D. | Mean ± S.D. | ||
| Maxillary component | |||
| SNA (degrees) | 84.51 ± 3.51 | 83.30 ± 3.16 | 0.2270 |
| A-Nperp (mm) | 0.78 ± 2.98 | -0.18 ± 2.70 | 0.2618 |
| Co-A (mm) | 85.45 ± 3.38 | 83.67 ± 4.80 | 0.1686 |
| Mandibular component | |||
| SNB (degrees) | 77.33 ± 4.10 | 78.59 ± 3.49 | 0.2723 |
| P-Nperp (mm) | -8.95 ± 6.64 | -6.30 ± 4.83 | 0.1287 |
| Co-Gn (mm) | 108.49 ± 6.60 | 108.14 ± 6.27 | 0.8570 |
| Maxillomandibular relationship | |||
| ANB (degrees) | 7.19 ± 2.27 | 4.69 ± 1.66 | 0.0001 |
| Wits (mm) | 3.84 ± 2.65 | 0.50 ± 2.34 | 0.0001 |
| Growth pattern | |||
| SN.GoGn (degrees) | 30.46 ± 5.24 | 29.88 ± 4.95 | 0.7049 |
| SN.Ocl (degrees) | 13.00 ± 5.20 | 14.57 ± 2.99 | 0.2095 |
| FMA (degrees) | 26.58 ± 4.85 | 25.83 ± 4.06 | 0.5743 |
| LAFH (mm) | 61.16 ± 4.03 | 58.49 ± 4.55 | 0.0461 |
| Maxillary dentoalveolar component | |||
| 1.NA (degrees) | 29.48 ± 6.75 | 24.73 ± 6.29 | 0.0190 |
| 1-NA (mm) | 5.03 ± 2.10 | 3.44 ± 1.87 | 0.0107 |
| 1-Aperp (mm) | 6.23 ± 1.74 | 4.40 ± 1.05 | 0.0001 |
| 1.PP (degrees) | 120.68 ± 5.63 | 115.20 ± 5.80 | 0.0027 |
| 1-PP (mm) | 26.35 ± 1.86 | 25.37 ± 2.76 | 0.1837 |
| Mandibular dentoalveolar component | |||
| 1-NB (mm) | 5.14 ± 2.44 | 3.92 ± 1.97 | 0.0713 |
| 1.NB (degrees) | 26.18 ± 6.98 | 24.40 ± 6.34 | 0.3760 |
| 1-AP (mm) | -0.15 ± 2.12 | 0.37 ± 2.16 | 0.4213 |
| IMPA (degrees) | 95.92 ± 8.16 | 93.47 ± 6.59 | 0.2715 |
| Dental relationships | |||
| Overjet (mm) | 9.16 ± 2.10 | 5.61 ± 2.61 | 0.0000 |
| Overbite (mm) | 4.59 ± 2.50 | 3.29 ± 1.73 | 0.0464 |
| Molar relationship (mm) | 1.90 ± 1.54 | 0.40 ± 1.55 | 0.0024 |