Table 3 Relationships between the changes in stiffness, numerical pain assessment and questionnaires scores
Muscle / Scale | Difference, mean ± SD | Correlation with stiffness, correlation coef.; p-value | |
|---|---|---|---|
right masseter | left masseter | ||
Stiffness in the right masseter | 4.17 ± 1.47 |  |  |
Stiffness in the left masseter | 4.26 ± 1.48 |  |  |
NRS for the right masseter | 5.14 ± 1.52 | 0.1461; 0.4024 |  |
NRS for the left masseter | 5.00 ± 1.5 |  | 0.4396; 0.0082 |
PSS-10 | 0.86 ± 2.92 | -0.0917; 0.6002 | -0.0511; 0.7708 |
GAD-7 | 0.91 ± 1.36 | -0.1746; 0.3158 | -0.1412; 0.4185 |
PSQI | 0.54 ± 1.17 | 0.1195; 0.4942 | 0.0212; 0.9038 |
ESS | 0.94 ± 1.11 | 0.1063; 0.5434 | 0.1003; 0.5663 |
SWLS | -0.57 ± 0.92 | -0.0660; 0.7063 | -0.1628; 0.3501 |
SSS-8 | 5.29 ± 4.29 | -0.0201; 0.9086 | -0.0088; 0.9602 |