Table 8.
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 morphology | ||
| Convex | 0.430 | 0.110 |
| Flattening | 0.233 | 0.552 |
| Deformation | 0.001 | 0.001 |
| Gable shaped/pointed angle | 1.000 | 1.000 |
| Compacta (condyle) | ||
| No pathological findings | 0.001 | 0.001 |
| Erosion | 0.001 | 0.001 |
| Osteophyte formation | 0.001 | 0.001 |
| Spongiosa (condyle) | ||
| No pathological findings | 0.001 | 0.001 |
| Degeneration | 0.001 | 0.001 |
| Fossa morphology | ||
| No pathological findings | 0.001 | 0.001 |
| Erosion | 0.024 | 0.011 |
| Osteophyte formation | 0.001 | 0.001 |
| Disk morphology | ||
| Biconcave | 0.279 | 0.795 |
| Overall/central thinning | 0.012 | 0.010 |
| Biplanar | 0.748 | 0.095 |
| Flattening in the marginal area | 0.472 | 0.333 |
| Deformation | 0.052 | 0.112 |
| Perforation | 1.000 | 0.492 |
| Destroyed/fragmented | 0.492 | 1.000 |