Table 1. General characteristics of the participants with fibromyalgia and controls.
| Mean values (±SD) | Fibromyalgia n = 50 | Controls n = 50 | p |
|---|---|---|---|
| Age (years) | 47.92 (±8.22) | 47.14 (±9.93) | NS |
| WC (cm) | 92.80 (±9.48) | 90.52 (±8.83) | NS |
| BMI (kg/m2) | 26.40 (±3.85) | 25.56 (±3.61) | NS |
| FM (kg) | 25.30 (±7.63) | 25.69 (±7.31) | NS |
| TP (n) | 16.1 (±1.97) | 4.72 (±4.04) | < 0.0001 |
| Pain threshold (kg/m2) | 2.90 (±0.75) | 5.46 (±1.93) | < 0.0001 |
| FIQ (AU) | 70.62 (±17.73) | 10.64 (±12.32) | < 0.0001 |
| PHQ-9 (AU) | 16.28 (±5.69) | 3.76 (±4.31) | < 0.0001 |
| Leptin (pg/mL) | 12,812.2 (±8,619.3) | 18,316.3 (±10,190.2) | < 0.005 |
| Adjusted leptin (pg/mL/kg) | 531.63 (±365.13) | 684.05 (±300.27) | < 0.05 |
| Adiponectin (ng/mL) | 16,396 (±10,088.2) | 15,316.5 (±7,188.5) | NS |
| MCP-1 (pg/mL) | 441.04 (±184.74) | 487 (±267.04) | NS |
| CRP (mg/dL) | 0.31 (±0.34) | 0.31 (±0.44) | NS |
FM: fibromyalgia; WC: waist circumference; BMI: body mass index; FM: fat mass; TP: tender points; FIQ: Fibromyalgia Impact Questionnaire; AU: arbitrary units; PHQ-9: Patient Health Questionnaire-9; MCP-1: monocyte chemoattractant protein-1; CRP: C-reactive protein; NS: statistically not significant.