Table 2.

Variables obtained at the clinical examinations.

Group	CON			FM			Statistics
Variables	n	Mean	SD	n	Mean	SD	p-value
Blood pressure systolic (mm Hg)	31	113.35	8.64	33	120.88	12.58	0.007 *
Blood pressure diastolic (mm Hg)	31	75.58	8.23	33	80.55	10.07	0.035 *
Weight (kg)	31	68.57	10.72	33	81.04	18.68	0.002 *
Height (m)	31	1.70	0.06	33	1.66	0.06	0.038 *
BMI (kg/m2)	31	23.81	3.16	33	29.18	6.13	<0.001 *
Number of tender points	31	0.32	0.87	33	16.48	2.66	<0.001 *
Mean PPT all sites (kPa)	31	383.66	109.91	33	132.55	84.66	<0.001 *
PPT Trapezius catheter side (kPa)	31	303.74	103.01	33	109.54	69.01	<0.001 *
PPT Erector Spine catheter side (kPa)	31	432.61	147.15	33	121.79	87.91	<0.001 *
MaxVO2 per kg (mL/kg/min)	30	2.64	0.49	30	2.17	0.53	0.001 *
Grip force-max (N)	30	311.59	51.58	33	240.38	63.94	<0.001 *
Grip force-average (N)	30	232.77	45.26	33	162.31	54.07	<0.001 *
Grip force-endurance (N)	30	233.05	127.05	33	137.80	47.75	<0.001 *
TST	30	17.80	3.03	32	13.63	3.47	<0.001 *

CON = controls; FM = fibromyalgia; SD = standard deviation; BMI = Body Mass Index; PPT = Pressure Pain Threshold; TST = Timed-Stands Test; * denotes statistical significance.