Table 2 Clinical data summary of patients enrolled in the present study
| Group | Case number | Age distribution | Sex distribution | Direction of movement | Average lower arch midline deviation (mm) | Average ANB angle (degree) |
|---|---|---|---|---|---|---|
| USSRO | 56 | 26.4 ± 5.7 y (range 18.1–37.8 y) | 23 males/33 females | setback | 4.3 ± 1.3 (range 2.7–8.3) | −3.6 ± 0.5 |
| BSSRO | 78 | 23.1 ± 4.9 y (range 17.0–35.1 y) | 37 males /41 females | setback | 5.1 ± 1.9 (range 2.8–13.5) | − 3.7 ± 0.5 |
