Fundamental statistics of the assessed items.
| Items (range of scores) | Median | Quartile deviation | Maximum | Minimum |
|---|---|---|---|---|
| Pain characteristics | ||||
| Numerical rating scale (0-10) | 7 | 2.0 | 2 | 10 |
| Pain drawing (0-111) | 19.5 | 6.6 | 70 | 1 |
| Psychological status and subjective disability | ||||
| Mental health (0-100) | 47.6 | 8.5 | 74.8 | 2.9 |
| Walking ability (0-100) | 28.6 | 14.3 | 100 | 0 |
| Social function (0-100) | 45.9 | 9.5 | 86.5 | 0 |
| Control over pain and pain coping strategies | ||||
| Control over pain (0-6) | 3 | 0.5 | 0 | 5 |
| Praying or hoping (0-12) | 12 | 2.4 | 2 | 12 |
| Catastrophizing (0-12) | 6 | 2.4 | 0 | 11 |
| Coping self-statements (0-12) | 9 | 3.0 | 2 | 12 |
| Diverting attention (0-12) | 8 | 2.0 | 0 | 12 |
| Reinterpreting pain sensations (0-12) | 5 | 1.5 | 0 | 12 |
| Ignoring pain sensations (0-12) | 5 | 2.0 | 0 | 12 |
| Increasing pain behavior (0-12) | 8 | 2.0 | 0 | 12 |
| Increasing activity level (0-12) | 6.5 | 2.0 | 0 | 12 |
N = 62.