| Quality of life questionnaire 1 | Overall (N=70) | Without current pain (N=30) | Current pain (N=40) | p |
| Role - physical | 43.9 (±28.5) | 54.3 (±32.0) | 36.1 (±23.1) | 0.011 |
| Physical function | 36.4 (±39.6) | 59.2 (±42.8) | 19.4 (±26.8) | < 0.001 |
| Bodily pain | 57.0 (±29.5) | 79.7 (±24.4) | 40.0 (±20.0) | < 0.001 |
| General health | 38.5 (±23.2) | 47.4 (±24.8) | 31.8 (±19.8) | 0.005 |
| Vitality | 38.6 (±20.6) | 45.0 (±21.5) | 33.9 (±18.7) | 0.024 |
| Social function | 61.1 (±27.9) | 70.6 (±28.1) | 53.9 (±25.8) | 0.012 |
| Role - emotional | 56.2 (±43.5) | 70.0 (±37.5) | 45.8 (±45.1) | 0.017 |
| Mental health | 63.8 (±18.1) | 71.3 (±13.7) | 58.1 (±19.0) | 0.001 |