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The correlation between age, pain severity, disability, and pain duration with the number of trigger points in patients with chronic non-specific neck pain
| r | P value | |
|---|---|---|
| Pain and number of involved muscles | -0.19 | 0.31 |
| Pain and disability | 0.64 | 0.001> |
| Disability and number of involved muscles | -0.17 | 0.05 |
| Age and number of involved muscles | -0.04 | 0.62 |
| Age and pain duration | 0.07 | 0.39 |
| Pain and pain duration | -0.02 | 0.81 |
