Table 3.
Correlations between clinical features and evaluated variables
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
|---|---|---|---|---|---|---|---|---|
| 1. NRS | - | - | - | - | - | - | - | - |
| 2. NDI | 0.69** | - | - | - | - | - | - | - |
| 3. EQ-5D | −0.33* | −0.57** | - | - | - | - | - | - |
| 4. CSI | 0.50** | 0.64** | −0.55** | - | - | - | - | - |
| 5. PCS | 0.30 | 0.18 | −0.20 | 0.29* | - | - | - | - |
| 6. TSK | 0.14 | 0.26* | −0.44** | 0.47** | 0.53** | - | - | - |
| 7. HADS-A | 0.19 | 0.34** | −0.38* | 0.50* | 0.51** | 0.38* | - | - |
| 8. HADS-D | 0.13 | 0.27* | −0.23** | 0.47* | 0.40** | 0.23 | 0.70** | - |
NRS, Numerical Rating Scale for neck pain intensity; NDI, Neck Disability Index; EQ-5D, EuroQol 5-Dimensions; CSI, Central Sensitization Inventory; PCS, Pain Catastrophizing Scale; TSK, Tampa Scale for Kinesiophobia; HADS-A, Hospital Anxiety and Depression Scale for anxiety; HADS-D, Hospital Anxiety and Depression Scale for depression.
*p <0.05 and **p <0.01 (by Spearman’s rank correlation coefficient).