Table 5.
Relative PPT changes during the application of noxious conditioning cold stimulus in healthy controls and patient groups diagnosed after each and combined examination modalities
| TMJ | Thenar | |||||||
|---|---|---|---|---|---|---|---|---|
| Controls (%) | Arthralgia (%) | OA (%) | P value | Controls (%) | Arthralgia (%) | OA (%) | P value | |
| Clinical diagnosis | 33.1 ± 2.9 | 21.6 ± 3.8 | 32.1 ± 6.1 | 0.046* | 13.8 ± 2.9 | 11.0 ± 1.7 | 11.9 ± 3.6 | ns |
| CBCT | 33.1 ± 2.9 | 22.9 ± 2.6 | 25.9 ± 5.9 | ns | 13.8 ± 2.9 | 11.5 ± 1.4 | 11.0 ± 2.7 | ns |
| MRI | 33.1 ± 2.9 | 23.2 ± 3.5 | 28.8 ± 8.6 | ns | 13.8 ± 2.9 | 10.7 ± 1.7 | 13.6 ± 3.7 | ns |
| HR-US | 33.1 ± 2.9 | 27.8 ± 4.1 | 20.7 ± 4.9 | ˜ 0.074 | 13.8 ± 2.9 | 10.8 ± 1.8 | 11.8 ± 2.5 | ns |
| Combined | 33.1 ± 2.9 | 21.0 ± 3.6 | 32.4 ± 15.0 | ns | 13.8 ± 2.9 | 9.0 ± 1.8 | 19.1 ± 6.1 | ns |
Data are given as mean values (%) ± standard errors of mean
Abbreviations: PPT pressure pain threshold, TMJ temporomandibular joint, OA osteoarthritis, CBCT Cone beam computed tomography, MRI Magnetic resonance imaging, HR-US high resolution ultrasonography, ns not significant, ˜ tendency towards a significant difference
*P < 0.05 (t-test)