Table 1.

ACTN3 genotype distribution of the athletes and controls (data is presented as relative values

Group	n	Genotypes, %			P value
		RR	RX	XX
All athletes	158	44,94	48,73	6,33	0,008*
Sprinters	48	50,00	45,83	4,17	0,041*
Sprint swimmers	54	42,59	51,85	5,56	0,130
Weightlifters	56	42,86	50,00	7,14	0,205
Control	254	35,04	49,21	15,75	-

^*p<0.05 compared to control.

Comparison with controls was by χ2 test RR Wild-type homozygote, RX heterozygote, XX mutant homozygote