Table 4

 Muscle enzymatic antioxidant activity and neutrophil counts at rest and after exercise in the non-hypoxaemic and hypoxaemic groups

Non-hypoxaemic group(n = 9)Mean (SE) [95% CI]Hypoxaemic group(n = 9)Mean (SE) [95% CI]Statistical data(n = 18)ANOVA p value
*p<0.05 hypoxaemic (n = 8) v non-hypoxaemic group (n = 8).
GPx activity (µmol/g/min)Group effect: p = 0.77
    Baseline4.0 (0.3) [3.2 to 4.8]4.0 (0.3) [3.3 to 4.7]Exercise effect: p = 0.23
    Post-exercise3.5 (0.2) [3.1 to 3.9]3.8 (0.3) [3.1 to 4.5](Group × exercise) effect: p = 0.60
SOD activity (units)Group effect: p = 0.78
    Baseline732.5 (34.2) [653.6 to 811.4]737.5 (34.2) [634.5 to 831.5]Exercise effect: p = 0.28
    Post-exercise775.1 (8.4) [755.8 to 794.4]755.0 (7.5) [737.7 to 772.3](Group × exercise) effect: p = 0.65
Neutrophil counts (per fibre × 10−3)Group effect: p = 0.04
    Baseline23.8 (7.0) [7.6 to 40]54.3 (29.1) [−12.8 to +83.4]*Exercise effect: p = 0.39
    Post-exercise19.3 (3.3) [11.7 to 26.9]51.9 (9.4) [29.7 to 74.1]*(Group × exercise) effect: p = 0.54