Table 3 Intragroup comparisons (T0 vs. T1) of the facial characteristics for the mini-implant group
Variable | T0 (baseline) | T1 (post-treatment) | P value* | ||
|---|---|---|---|---|---|
Median | Interquartile range | Median | Interquartile range | ||
SNA (°) | 84.00 | 5.40 | 86.75 | 4.60 | 0.002 |
SNB (°) | 83.00 | 1.80 | 83.75 | 4.30 | 0.107 |
ANB (°) | − 1.00 | 4.00 | 1.50 | 2.50 | 0.005 |
Wits (mm) | − 6.50 | 3.80 | − 2.75 | 4.50 | 0.002 |
SN-GoGn (°) | 30.25 | 5.30 | 30.75 | 5.00 | 0.230 |
Co-A (mm) | 85.75 | 10.90 | 89.50 | 12.80 | 0.002 |
Co-Gn (mm) | 117.00 | 11.80 | 119.00 | 10.50 | 0.002 |
NAP (°) | − 2.00 | 8.40 | 1.50 | 7.00 | 0.013 |
A-Npog (mm) | − 0.50 | 3.40 | 1.00 | 3.40 | 0.008 |
Sn-line H (mm) | 7.25 | 3.80 | 9.00 | 2.90 | 0.040 |
1.NA (°) | 29.50 | 7.90 | 30.25 | 7.90 | 0.556 |
1-NA (mm) | 6.50 | 5.40 | 6.50 | 2.60 | 0.559 |
1.NB (°) | 28.25 | 5.80 | 27.00 | 7.30 | 0.413 |
1-NB (mm) | 6.25 | 2.80 | 7.50 | 4.00 | 0.005 |
Overjet (mm) | − 3.00 | 4.00 | 2.00 | 3.00 | 0.003 |
Overbite (mm) | 0.25 | 1.90 | 1.25 | 2.00 | 0.207 |
MR (mm) | − 2.00 | 4.80 | 1.25 | 4.30 | 0.002 |