Table I.
Comparison of demographic characteristics of the total sample, women with fibromyalgia and healthy matched women with normalized reference values
| Parameter | Total group Median ± IR n = 208 |
Fibromyalgia Median ± IR n = 104 |
Healthy controls Median ± IR n = 104 |
Mann-Whitney U P-value |
|---|---|---|---|---|
| Age [years] | 55.00 ±8.25 (26–83) | 56.00 ±9.00 (26–83) | 55.00 ±5.00 (45–82) | 0.016 |
| Weight [kg] | 70.00 ±15.00 (43–120) | 70.50 ±14.00 (50–90) | 70.00 ±17.50 (43–120) | 0.300 |
| Height [m] | 1.60 ±0.07 (1.45–1.79) | 1.60 ±0.06 (1.45–1.75) | 1.61 ±0.09 (1.50–1.79) | 0.166 |
| BMI [kg/m2] | 27.26 ±5.07 (18.59–43.51) | 27.47 ±3.90 (18.59–37.46) | 26.48 ±6.74 (18.75–43.51) | 0.627 |
BMI – body mass index, IR – interquartile range. In all the analyses, p < 0.01 (with a 99% confidence interval) was considered statistically significant.