Table 1 Descriptive analysis of subjects’ ages, gender, bracket losses, and treatment duration

Patients’ ages at T0 [years; Mean ± SD]

17.27 ± 7.20

17.42 ± 8.45

17.33 ± 7.73

Treatment Duration [months; Mean ± SD]

24.27 ± 7.4

18.12 ± 5.11

21.72 ± 7.21

Sex [m/f] n (%)

99/121 (45.0%/55.0%)

73/83 (46.8%/53.2%)

172/204 (45.7%/54.3%)

Brackets lost per subject with re-bonding Mean [Min/Max/Median]

2.54 [0/12/2]

2.15 [0/16/2]

2.38 [0/16/2]

Brackets lost per subject w/o re-bonding Mean [Min/Max/Median]

0.5 [0/5/0]

0.44 [0/4/0]

0.47 [0/5/0]