Table 1. Demographic, clinical, medication use (number of participants and percentage in brackets) and physiological data in fibromyalgia (FMS) patients and healthy participants.
| FMS (n = 45) | Healthy (n = 38) | t or χ² | p | η2 | |
|---|---|---|---|---|---|
| Age (years) | 51.53+8.89 | 50.08+10.22 | .693 | .490 | .006 |
| BMI | 27.26+4.76 | 26.17+3.64 | 1.184 | .240 | .016 |
| State Anxiety (STAI) | 21.87±12.16 | 13.00±7.47 | 4.07 | < .001 | .159 |
| Nº of pain points (MPQ) | 21.98±6.76 | 4.00±3.84 | 15.17 | < .001 | .722 |
| Sensorial pain (MPQ) | 32.11±21.73 | 13.00±7.33 | 5.54 | < .001 | .248 |
| Total MPQ Score | 49.29±30.67 | 20.45±11.35 | 5.85 | < .001 | .271 |
| Current pain intensity (MPQ) | 2.62±1.27 | 0.84±0.79 | 7.81 | < .001 | .411 |
| Fatigue (FSS) | 49.42±11.31 | 20.66±13.48 | 10.57 | < .001 | .580 |
| Antidepressant use (%) | 23 (51.11) | 3 (6.67) | 17.89 | < .001 | .215 |
| Anxiolytic use (%) | 29 (64.44) | 7 (15.56) | 17.768 | < .001 | .214 |
| Analgesic use (%) | 36 (90) | 4 (8.89) | 39.828 | < .001 | .480 |
| Opiate use (%) | 19 (42.22) | 0 (0) | 20.808 | < .001 | .251 |
| SC level (µS) | 2.02±2.11 | 3.56 ±2,11 | -2.15 | .034 | .054 |
| Slope SC (µS/m) | -0.153±.237 | -0.344±.584 | 2.01 | .048 | .047 |
| Hand Temperature (Co) | 35.91±1.03 | 35.92± .82 | -.039 | .969 | < .001 |
Note: Results of group comparisons are also reported (Student t test or χ²). Effect size was reported as adjusted eta squared (η2). MPQ = McGill Pain Questionnaire; FSS = Fatigue Severity Scale.