Table 1.

Demographic data at baseline.

Variable	Exercise Group Median (IQR)	Control Group Median (IQR)	Value of Contrast	p-Value a
Sample size	28	27
Age (years)	52.00 (17)	54.00 (13)	−0.110	0.913
FIQ-r total score	53.08 (30.5)	60.83 (29.33)	−0.025	0.980
Years with chronic pain	16.00 (11.8)	16.00 (14.5)	−0.420	0.674
≤10 (frequency and %)	6 (21.4%)	7 (28%)
<10–20 (frequency and %)	10 (35.7%)	9 (32%)
≥20 (frequency and %)	12 (42.8%)	11 (40%)

^ap-value of Mann–Whitney U tests. IQR: Interquartile range; FIQ: Fibromyalgia impact questionnaire.