Table 1.
Ages and stages in skeletal maturation at observation times in FR-2 and control groups (independent sample t-tests and chi-square tests—P < 0.05). CS, cervical stage; SD, standard deviation.
| FR-2 group (7 girls and 10 boys) | Control group (8 girls and 9 boys) | P value | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| T1 | 10.8 | 0.6 | 11.3 | 0.6 | NS |
| T2 | 12.5 | 0.6 | 12.7 | 0.6 | NS |
| T3 | 19.7 | 0.7 | 18.9 | 2.0 | NS |
| CS at T1 | CS1 = 6; CS2 = 4; CS3 = 7 | CS1 = 4; CS2 = 6; CS3 = 7 | NS | ||
| CS at T2 | CS1 = 1; CS2 = 6; CS3 = 5; CS4 = 5 | CS2 = 4; CS3 = 6; CS4 = 7 | NS | ||
| CS at T3 | CS5 = 16; CS6 = 1 | CS5 = 16; CS6 = 1 | NS | ||
NS, not significant.