Table 1 Clinical characteristics of athletes (n=95) and controls (n=30)

	Athletes n=95		Controls n=30		p value
	Mean	SD	Mean	SD
Age (years)	25.6	5	26.2	4.4	0.292
Height (cm)	188.5	7.2	183.8	6.2	0.002
Weight (kg)	91.5	10.7	85.1	8.3	0.003
Body mass index (kg/m 2 )	25.7	2	25.17	1.9	0.206
Body surface area (m 2 )	2.18	0.16	2.08	0.12	0.001
Training history (years)	9.85	4.95	0.03	0.18	<0.001
Training per week (hours)	17.45	3.1	0.5	0.2	<0.001