Table 1.
Clinical characteristics (n = 63)
| Age, years, mean (SD) | 53.7 (8.1) |
|---|---|
| Sex, females, n (%) | 63 (100) |
| Height, cm, mean (SD) | 161 (6) |
| Weight, kg, mean (SD) | 69.2 (13.6) |
| Hand-dominance, n (%) right-handers | 56 (89) |
| Education level, years, mean (SD) | 14.1 (3.9) |
| Illness duration, mean (SD), years since diagnosis | 7.7 (5.8) |
| Fibromyalgia Impact Questionnaire*, mean (SD) | 63.6 (15.1) |
| General perception of health**, mean (SD) | 33.1 (17.6) |
| Hospital Anxiety and Depression Scale (HADS) | |
| Anxiety, mean (SD) | 11.2 (4.1) |
| Depression, mean (SD) | 9.8 (4.4) |
| Stable medication regime | |
| NSAIDs, n (%) | 29 (46) |
| Opioids (tramadol), n (%) | 24 (38) |
| Paracetamol, n (%) | 34 (54) |
| Gabapentin, n (%) | 25 (40) |
| Antidepressants | |
| SSRI, n (%) | 18 (29) |
| SNRI, n (%) | 20 (32) |
| Others, n (%) | 14 (22) |
| Anxiolytics/hypnotics (benzodiazepines), n (%) | 42 (67) |
*Fibromyalgia Impact Questionnaire (FIQ), maximum score, 100. **According to the 36-Item Short-Form Health Survey, maximum score, 100. Several patients were taking more than one medication. NSAIDs non-steroidal anti-inflammatory drugs, SSRI selective serotonin reuptake inhibitor, SNRI serotonin-norepinephrine reuptake inhibitor