Table 2 Intragroup comparisons (T0 vs. T1) of the facial characteristics for the facemask group
Variable | T0 (baseline) | T1 (post-treatment) | P value* | ||
|---|---|---|---|---|---|
Median | Interquartile range | Median | Interquartile range | ||
SNA (°) | 80.00 | 4.00 | 83.00 | 1.90 | 0.004 |
SNB (°) | 82.00 | 2.00 | 82.77 | 2.47 | 0.673 |
ANB (°) | − 1.00 | 2.00 | 1.50 | 2.50 | 0.003 |
Wits (mm) | − 7.00 | 4.50 | − 5.00 | 4.30 | 0.003 |
SN-GoGn (°) | 32.50 | 5.80 | 33.50 | 7.50 | 0.166 |
Co-A (mm) | 81.75 | 3,80 | 85.25 | 2.90 | 0.002 |
Co-Gn (mm) | 112.00 | 7.50 | 116.00 | 18.00 | 0.002 |
NAP (°) | − 3.00 | 2.50 | 0.00 | 5.50 | 0.013 |
A-Npog (mm) | − 1.00 | 1.50 | 0.00 | 2.80 | 0.008 |
Sn-line H (mm) | 5.00 | 2.30 | 4.75 | 2.30 | 0.726 |
1.NA (°) | 29.00 | 7.30 | 30.00 | 4.50 | 0.875 |
1-NA (mm) | 6.00 | 3.80 | 5.50 | 2.50 | 0.538 |
1.NB (°) | 25.00 | 10.00 | 22.00 | 6.00 | 0.208 |
1-NB (mm) | 5.00 | 4.30 | 4.50 | 4.00 | 0.267 |
Overjet (mm) | − 1.00 | 4.00 | 2.00 | 2.50 | 0.002 |
Overbite | 1.00 | 2.80 | 2.00 | 1.80 | 0.123 |
MR (mm) | − 2.00 | 4.00 | 0.00 | 1.50 | 0.002 |