Comparison of relative signal intensity of group 0 with the other groups on the basis of disk derangement
| Group | One-Tailed Student t Test* | |||
|---|---|---|---|---|
| T2 Ratio | T1 Ratio | Muscle Ratio | Muscle Size | |
| 1 vs 0 | 0.0589 | 0.4721 | 0.7306 | 0.9535 |
| 2 vs 0 | P < .001 | 0.8946 | 0.3425 | 0.4867 |
| 3 vs 0 | P < .001 | P < .01 | 0.7891 | 0.9781 |
Note:—0 indicates the bilaterally normal TMJ group; 1, unilaterally normal TMJ; 2, anterior displacement of the disk with reduction; 3, anterior displacement of the disk without reduction.
* Significance was defined as P < .05; highly significant, P < .01.