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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 genotypeGSTT genotype
  GGGAAAp value+p value
Elite endurance athletesCyclists63 (84.00%)11 (14.66%)1 (1.33%)0.00254 (72.00%)21 (28.00%)0.049
Runners42 (87.50%)6 (12.50%)0 (0.00%)35 (72.91%)13 (27.09%)
 Non-athletes76 (62.29%)44 (36.06%)2 (1.64%)70 (57.37%)52 (42.63%)