Table 2.
Cephalometric values in 26 JIA patients and corresponding healthy controls
| Normal TMJ* group (n = 11) | Controls (n = 11) | Abnormal TMJ group (n = 15) | Controls (n = 15) | p-values | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Abnormal TMJ vs normal TMJ | Normal TMJ vs control | Abnormal TMJ vs control | ||||||||||
| Variable | Mean | SD | Mean | SD | Mean | SD | Mean | SD | ||||
| Age at examination in childhood | years | 9.0 | 1.1 | 8.8 | 0.4 | 9.6 | 1.2 | 8.9 | 0.5 | 0.26 | 0.67 | 0.16 |
| Disease duration at examination in childhood | years | 2.6 | 2.3 | 5.7 | 2.0 | 0.003 | ||||||
| MPA**, children | degrees | 31.3 | 4.0 | 31.1 | 4.1 | 38.2 | 5.7 | 30.6 | 4.8 | 0.002 | 0.62 | 0.001 |
| MPA, adults | degrees | 27.7 | 5.6 | 27.1 | 6.6 | 36.5 | 5.2 | 26.7 | 7.0 | 0.001 | 0.77 | 0.001 |
| Diff*** in MPA | degrees | -3.6 | 3.3 | -4.0 | 3.6 | -1.7 | 5.5 | -3.9 | 3.4 | 0.14 | 0.72 | 0.10 |
* TMJ = Temporomandibular joint
** MPA = Mandibular plane angle
*** Difference in MPA = MPA adults - MPA children. Negative value = Anterior growth direction of the mandible