Table 1.
Data obtained from questionnaires in controls and in patients with fibromyalgia (FM).
| Group | CON | FM | Statistics | ||||
|---|---|---|---|---|---|---|---|
| Variables | n | Mean | SD | n | Mean | SD | p-value |
| Age (years) | 31 | 42.26 | 10.17 | 33 | 40.06 | 11.36 | 0.417 |
| FM duration (years) | − | − | − | 33 | 6.12 | 6.04 | NA |
| Pain intensity global 7days | − | − | − | 31 | 6.55 | 1.71 | NA |
| HADS | 31 | 4.23 | 3.59 | 31 | 13.32 | 6.17 | < 0.001 * |
| PCS | 31 | 11.45 | 8.97 | 31 | 19.94 | 10.34 | 0.001 * |
| ISI | 31 | 4.23 | 4.47 | 31 | 13.58 | 5.96 | < 0.001 * |
| PSQ | 31 | 3.50 | 0.91 | 31 | 5.64 | 1.80 | < 0.001 * |
| PDI | 30 | 8.43 | 4.93 | 31 | 36.45 | 11.25 | < 0.001 * |
| EQ5D-VAS | 30 | 86.67 | 7.54 | 31 | 52.16 | 18.85 | < 0.001 * |
CON = controls; FM = fibromyalgia; SD = standard deviation; HADS = The Hospital Anxiety and Depression Scale; PCS = Pain Catastrophizing Scale; ISI = Insomnia Severity Index, PSQ-total = Pain Sensitivity Questionnaire-total scale; PDI = Pain Disability Index; EQ5D-VAS = Perceived Health according to EQ instrument; NA = Not Applicable. * denotes statistical significance.