Table 3 Sample characteristics of TMJs with and without MRI findings of condylar erosion
Variable | TMJ sides with condylar erosion (n = 50) | TMJ sides without condylar erosion (n = 74) | Total (n = 124) | P Value |
|---|---|---|---|---|
Clinical Variable | ||||
Age (years) (mean ± SD) | 40.1 (14.0) | 32.8 (12.7) | 35.7 (13.6) | 0.003a |
Sex (n) (% female) | 46 (92.0) | 67 (90.5) | 113 (91.1) | 0.779b |
Time since pain onset (weeks) (mean ± SD) | 10.3 (11.1) | 3.8 (7.2) | 6.7 (9.9) | < 0.001a |
Pain intensity (mm) (mean ± SD) | 36.4 (32.2) | 17.3 (27.2) | 25.1 (30.6) | < 0.001a |
MRI Variable | ||||
Disk displacement with reduction (n) (%) | 4 (8.0) | 28 (37.8) | 32 (25.8) | 0.001b |
Disk displacement without reduction (n) (%) | 46 (92.0) | 18 (24.3) | 64 (51.6) | 0.001b |