Table 9.
Statistical analysis (Fisher's exact test) of results from the MRI evaluation in test subjects of the control group (group N, n = 30 subjects) and the group of patients with rheumatoid arthritis (group RA, n = 30 patients).
| Examination parameter |
P values left TMJ |
P values right TMJ |
|---|---|---|
| Condyle/fossa relationship (closed mouth) |
||
| Centered | 0.015 | 0.002 |
| Anterior oriented | 1.000 | 0.052 |
| Posterior oriented | 0.021 | 0.072 |
| Cranial oriented | 0.052 | 0.103 |
| Caudal oriented | 0.047 | 0.010 |
| Disk position parasagittal (closed mouth) | ||
| Regular | 0.001 | 0.019 |
| Partial anterior DD with reduction | 0.030 | 1.000 |
| Partial anterior DD without reduction | 1.000 | — |
| Complete anterior DD with reduction | 1.000 | — |
| Complete anterior DD without reduction | 0.103 | 0.052 |
| Signal intensity (PD/T2) (condyle) | ||
| Increased signal intensity | 0.011 | 0.112 |
| Signal intensity PD/T2 (bilaminar zone/joint space) |
||
| Increased signal intensity | 0.001 | 0.001 |