Sports Medicine - Open

Table 6 Genotype frequencies in liver metabolizers between elite endurance athletes (cyclist, runners) and non-athletes

From: Liver-Metabolizing Genes and Their Relationship to the Performance of Elite Spanish Male Endurance Athletes; a Prospective Transversal Study

		CYP2D6 genotype				GSTT genotype
		GG	GA	AA	p value	+	−	p value
Elite endurance athletes	Cyclists	63 (84.00%)	11 (14.66%)	1 (1.33%)	0.002	54 (72.00%)	21 (28.00%)	0.049
Elite endurance athletes	Runners	42 (87.50%)	6 (12.50%)	0 (0.00%)		35 (72.91%)	13 (27.09%)
	Non-athletes	76 (62.29%)	44 (36.06%)	2 (1.64%)		70 (57.37%)	52 (42.63%)

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