Table 2.
Trend Analysis of Jaw Disability (JFLS), Health-Related Quality of Life (SF–12), and Pain-Related Disability (GCPS) Across Four Groups of Subjects with Painful TMD and Increasing Headache Frequency*
| Variable | HA− TMD− | HA− TMD+ | IEHA TMD+ | FEHA TMD+ | CHA TMD+ |
P value for trend across TMD+ groups |
|---|---|---|---|---|---|---|
| Mean (SD) | ||||||
| JFLS: Mastication (0–60 units) | 1.0 (4.0) | 13.1 (9.7) | 13.1 (9.7) | 14.5 (11.0) | 18.2 (10.9) | .005 |
| JFLS: Vertical jaw mobility (0–40 units) | 0.6 (3.2) | 10.5 (8.6) | 10.7 (7.8) | 11.1 (8.0) | 13.8 (9.1) | .040 |
| JFL: Verbal/emotional expression (0–100 units) | 0.3 (2.0) | 5.5 (10.7) | 6.4 (9.0) | 6.8 (9.9) | 16.9 (18.7) | < .001 |
| JFL: Global score (0–80 units) | 1.0 (3.9) | 12.0 (8.7) | 13.3 (8.8) | 13.9 (10.0) | 19.5 (13.1) | < .001 |
| SF–12v2: PCS (0–100 unit) | 52.0 (4.0) | 51.2 (4.5) | 50.2 (4.3) | 48.9 (5.4) | 47.5 (6.6) | < .001 |
| SF–12v2: MCS (0–100 units) | 55.4 (8.0) | 55.1 (8.1) | 50.3 (11.2) | 50.5 (9.8) | 46.5 (12.7) | < .001 |
| % (n) | ||||||
| GCPS: Grade III/IV | 0.0 (0) | 2.4 (2) | 9.7 (7) | 12.2 (21) | 34.4 (22) | < .001 |
*
Subjects without painful TMD and without headache are shown for comparison. HA present (+) or absent (−), and TMD pain diagnosis present (+) or absent (−).