Table 2 Analysis of the effects of treatment on cephalometric data, means (standard deviations)
From: Does orthodontic treatment provide a real functional improvement? a case control study
Parameter | V.N. | Study group pre-tx | Control group | P value: pre-tx vs. Control | Study group post-tx | P: control vs. post-tx | P: pre-tx vs. post-tx |
|---|---|---|---|---|---|---|---|
ANB | 0–4° | 6.6 (1.3) | 6.4 (1.2) | 0.19 | 3.7 (0.69) | 0.001 | 0.001 |
Fh^1 | 106–114° | 115.9 (2.8) | 115.2 (2.4) | 0.33 | 108.3 (2.3) | 0.001 | 0.001 |
FMA | 15–35° | 25.5 (2.0) | 25.4 (2.5) | 0.44 | 28.5 (2.3) | 0.001 | 0.001 |
IMPA | 86–94° | 88.4 (2.06) | 89.4 (2.34) | 0.10 | 91.5 (1.9) | 0.001 | 0.001 |
Overjet | 0–4 mm | 6.6 (1.3) | 6.5 (1.3) | 0.45 | 3.05 (0.91) | 0.001 | 0.001 |
Overbite | 0–4 mm | 2.6 (1.0) | 2.5 (1.1) | 0.38 | 3.2 (1.1) | 0.04 | 0.06 |