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Table 5 Genotype distribution in elite endurance athletes and non-athletes of liver-metabolizing polymorphisms

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

 Elite endurance athletes (n = 123) n (%)Non-athletes (n = 122) n (%)p value
CYP2D6
 A/A1 (1.66%)2 (1.64%)< 0.001
 G/A17 (13.82%)44 (36.06%)
 G/G105 (85.36%)76 (62.30%)
GSTM1
 +36 (29.27%)45 (36.88%)0.205
 −87 (70.73%)77 (63.12%)
GSTP
 G/G8 (6.51%)13 (10.65%)0.122
 G/A38 (30.89%)48 (39.35%)
 A/A77 (62.60%)61 (50%)
GSTT
 +89 (72.36%)70 (57.38%)0.014
 −34 (27.64%)52 (42.62%)