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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