Table 1: Cervical vertebral maturation stages (CVMS) of the extraction group and the non-extraction group.
CVMS | Pre-treatment | Post-treatment | ||||||
Extraction group | Non-extraction group | Extraction group | Non-extraction group | |||||
Frequency | Percent | Frequency | Percent | Frequency | Percent | Frequency | Percent | |
1 | - | - | 2 | 6.7 | - | - | - | - |
2 | 14 | 46.7 | 4 | 13.3 | - | - | - | - |
3 | 5 | 16.7 | 13 | 43.3 | 3 | 10 | 3 | 10 |
4 | 10 | 33.3 | 11 | 36.7 | 15 | 50 | 3 | 10 |
5 | 1 | 3.3 | - | - | 12 | 40 | 24 | 80 |
Total | 30 | 100 | 30 | 100 | 30 | 100 | 30 | 100 |