Table 1: Results of the intergroup compatibility of the initial and final ages and treatment time (independent t test).

Variables (Years) Group 1
Damon
(N=21)
Group 2
Conventional
(N=24)
P
Mean S.D. Mean S.D.
Initial age
T1
18.37 6.99 19.50 7.16 0.596
Final age
T2
20.48 7.26 21.49 7.01 0.636
Treatment time
(T2-T1)
2.11 0.62 1.99 0.55 0.514