From: Dopamine in plasma – a biomarker for myofascial TMD pain?
Patients with M-TMD | Controls | P | Test | |
---|---|---|---|---|
Subjects | ||||
All | 15 | 15 | ||
Females | 11 | 11 | ||
Males | 4 | 4 | ||
Age (yrs) | 31.8 ± 13.4 | 31.6 ± 12.4 | 0.966 | Independent samples t-test |
Duration of M-TMD (months) | 58.6 ± 60.3 | 0.0 ± 0.0 | <0.001 | Mann-Whitney U test |
No. of muscle sites with pain on palpation (max. 20) | 14 (8) | 2 (2) | <0.001 | Mann-Whitney U test |
No. of TMJ sites with pain on palpation (max. 4) | 1 (1) | 0 (0) | <0.001 | Mann-Whitney U test |
Perceived mental stress (PSS-10) | 16.6 ± 5.9 | 12.1 ± 3.6 | <0.05 | Independent samples t-test |
Self-reported awake bruxism | 11 | 3 | ||
Self-reported sleep bruxism | 11 | 7 | ||
Blood sampling at 8 am | 8 | 8 | ||
Blood sampling at 1 pm | 7 | 7 |