Mean percentage of maximal oxygen uptake during and after the aerobic load for each of the genetic classifications.

SD: Standard deviation. One-way analysis of variance (ANOVA), significance p<0.05. U: Mann–Whitney test, significance p<0.05. Asterisk (*) indicates the values that significantly differ in the same stage.
K+: K allele carriers. K−: K allele non-carriers. R+: R allele carriers. R−: R allele non-carriers. K+/R+: K and R allele carriers. K+/R−: K allele only carriers. R+/K−: R allele only carriers.