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Table 1 Physical and physiological characteristics of the subjects

From: Lactobacillus fermentum (PCC®) supplementation and gastrointestinal and respiratory-tract illness symptoms: a randomised control trial in athletes

  Probiotic Placebo Qualitative
difference
Males
N 29 33  
Age (y) 35.2 ± 10.3 36.4 ± 8.9 Trivial
Mass (kg) 77.9 ± 8.4 76.9 ± 8.2 Trivial
VO2max (ml/kg/min) 56.5 ± 6.2 55.8 ± 5.6 Trivial
RBC (×1012/L) 5.0 ± 0.3 5.1 ± 0.4 Small
WBC (×1012/L) 6.2 ± 1.7 6.3 ± 1.6 Trivial
Energy intake (kJ) 8954 ± 2870 9138 ± 3168 Trivial
Fibre (g) 16.4 ± 6.9 19.3 ± 11.8 Trivial
Lactobacillus CFU/g 1.4 × 1004 ± 2.5 × 1004 3.8 × 1006 ± 1.3 × 1007 Large
Females
N 18 17  
Age (y) 36.5 ± 8.6 35.6 ± 10.2 Trivial
Mass (kg) 57.6 ± 6.1 61.3 ± 9.9 Small
VO2max (ml/kg/min) 53.0 ± 5.0 51.6 ± 7.4 Small
RBC (×1012/L) 4.7 ± 0.2 4.7 ± 0.3 Trivial
WBC (×1012/L) 5.2 ± 1.0 7.6 ± 1.7 Large
Energy intake (kJ) 7491 ± 1336 8133 ± 2512 Trivial
Fibre (g) 15.5 ± 5.1 18.6 ± 14.1 Trivial
Lactobacillus CFU/g 1.4 × 1004 ± 9.4 × 1004 1.8 × 1004 ± 1.7 × 1004 Trivial
  1. VO2max, maximal oxygen uptake; RBC, Data are mean ± SD. red blood cells; WBC, white blood cells; CFU, colony forming units