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Table 6 Effects of periods of antioxidant supplementation on blood morphology before and after physical exercise test

From: Effects of antioxidant supplementation on oxidative stress balance in young footballers- a randomized double-blind trial

 

Supplemented group

Placebo group

p-value interaction intervention * effects of physical exercise test * group

Parameters

before supplementation Mean (SD)

after supplementation Mean (SD)

before supplementation Mean (SD)

after supplementation Mean (SD)

WBC [K/μl]

 before

7.80 (1.5)

7.05 (1.7)

7.57 (2.7)

6.79 (2.6)

0.78

 3 h after

9.75 (2.2)

9.13 (1.5)

9.95 (4.2)

9.61 (3.0)

RBC [× 1012/l]

 before

4.89 (0.2)

5.07 (0.3)

4.75 (0.2)

4.98 (0.3)

0.82

 3 h after

4.86 (0.2)

4.87 (0.3)

4.68 (0.3)

4.77 (0.2)

Hb [g/dl]

 before

14.45 (0.6)

14.86 (0.9)

14.21 (0.5)

14.93 (0.8)

0.86

 3 h after

14.37 (0.5)

14.34 (0.9)

14.01 (0.7)

14.23 (0.8)

Hct [%]

 before

40.76 (1.6)

42.48 (2.2)

39.70 (1.5)

42.03 (2.4)

0.79

 3 h after

40.26 (1.5)

40.40 (2.1)

38.91 (2.3)

39.43 (2.5)

Fe [μg/dl]

 before

97.12 (19.8)

104.67 (43.3)

114.74 (32.5)

120.19 (23.8)

0.13

 3 h after

78.35 (20.1)

81.37 (35.2)

88.71 (24.4)

125 (16.7)

LA [mmol/l]

 before

1.45 (0.3)

1.60 (0.3)

1.56 (0.3)

1.48 (0.2)

0.72

 after

9.85 (2.4)

10.58 (1.8)

9.62 (1.9)

10.56 (1.8)

  1. SD standard deviation, WBC white blood cells, RBC red blood cells, Hb haemoglobin, Hct haematocrit, Fe iron, LA lactate acid