Table 2.
Analysis of MRI in patients with anterior disc displacement in the elderly group and control group
| ADD | Joint effusion | Osteoarthritis | Total | ||||
|---|---|---|---|---|---|---|---|
| RE (%) | IR (%) | Y | N | Y | N | ||
| Elderly group |
52 (51.4%) |
49 (48.5%) |
3 (3.0%) |
98 (97.0%) |
38 (37.6%) |
63 (62.4%) |
101 (100%) |
| Control group |
475 (59.4%) |
325(40.6%) |
14 (1.8%) |
786 (98.2%) |
61 (7.7%) |
739 (92.3%) |
800 (100%) |
| Total |
527 (58.5%) |
374 (41.5%) |
17 (1.9%) |
884 (98.1%) |
99 (11%) |
802 (89.0%) |
901 (100%) |
| P | 0.135 | 0.425 | < 0.001 | ||||
ADD, Anterior disc displacement; RE, reversible; IR, irreversible