Table 2.
Descriptive statistics and statistical comparisons on the T2–T1 changes (Kruskal-Wallis test or ANOVA or with Tukey’s post hoc tests)
| Variables | RME bonded (1) (n = 10) | RME banded (2) (n = 10) | Controls (3) (n = 10) | P | 1 vs 2 | 2 vs 3 | 1 vs 3 | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean median | SD 25/75 | Mean median | SD 25/75 | Mean median | SD 25/75 | |||||
| Age | 1.0 | 0.1 | 1.0 | 1.0/1.1 | 1.0 | 0.1 | 0.742 | 0.0 | 0.0 | 0.0 |
| Sagittal skeletal | ||||||||||
| SNA (deg) | 0.0 | 0.4 | − 0.1 | 0.4 | − 0.2 | 0.9 | 0.845 | 0.1 | 0.1 | 0.2 |
| SNB (deg) | 0.5 | 0.5 | 0.2 | 0.6 | 0.2 | 0.7 | 0.390 | 0.3 | 0 | 0.3 |
| ANB (deg) | − 0.7 | 0.6 | − 0.2 | 0.7 | − 0.3 | 1.0 | 0.412 | − 0.5 | 0.1 | − 0.4 |
| Pg to NPerp (mm) | 0.8 | 0.7 | 0.4 | 1.0 | 0.1 | 1.2 | 0.296 | 0.4 | 0.3 | 0.7 |
| Co-Gn (mm) | 0.6 | 1.2 | 0.7 | 1.1 | 0.9 | 0.4 | 0.837 | − 0.1 | − 0.2 | − 0.3 |
| Vertical skeletal | ||||||||||
| SN to mandibular plane (deg) | −0.6 | 0.8 | 0.5 | 0.6 | 0.9 | 0.7 | 0.000 | − 1.1** | − 0.4 | − 1.5*** |
| ArGoMe (deg) | −0.9 | 0.7 | 0.4 | 1.2 | 0.6 | 1.3 | 0.012 | − 1.3* | − 0.2 | − 1.5* |
| LAFH (mm) | −0.3 | 0.8 | 0.5 | 0.7 | 0.6 | 1.1 | 0.064 | − 0.8 | − 0.1 | − 0.9 |
| Interdental | ||||||||||
| Overjet (mm) | − 0.7 | − 1.4/− 0.4 | − 0.8 | − 0.9/− 0.2 | − 0.2 | − 0.5/0.0 | 0.070 | 0.1 | − 0.6 | − 0.5 |
| Overbite (mm) | 0.5 | 0.3/2.2 | 0.2 | − 0.1/1.5 | 0.3 | − 0.4/0.9 | 0.154 | 0.3 | − 0.1 | 0.2 |
| Molar relationship (mm) | 1.1 | 0.7 | 0.8 | 0.7 | 0.4 | 0.8 | 0.154 | 0.3 | 0.4 | 0.7 |
deg degrees, 25/75 25th percentile/75th percentile
*P < 0.05; **P < 0.01; ***P < 0.001