Different soft tissue changes of TMJ between group 1 and group 2 on MR images
| Abnormal MR Imaging Findings | Group 1 (%) | Group 2 (%) | Total (%) | P Value |
|---|---|---|---|---|
| Joint effusion | 95 (88%) | 6 (60%) | 101 (85.6%) | > .05 |
| Disk displacement | 105 (97.2%) | 3 (30%) | 108 (91.5%) | < .01 |
| Disk deformity | 10 (9.3%) | 1 (10%) | 11 (9.3%) | > .05 |
| Disk perforation | 9 (8.3%) | 2 (20%) | 10 (8.5%) | > .05 |
| Abnormal superoposterior attachment of disk | 42 (38.9%) | 3 (30%) | 45 (38.1%) | > .05 |
| Abnormal inferoposterior attachment of disk | 96 (88.9%) | 7 (70%) | 103 (87.3%) | > .05 |
| Abnormal signal intensity of retrodiskal tissue | 98 (88.3%) | 5 (50%) | 103 (87.3%) | < .05 |
| Abnormal joint capsule | 94 (87%) | 7 (70%) | 101 (85.6%) | > .05 |