Table 2

Red blood cell variables of pubescent boys and girls from the highly trained and untrained groups

BoysGirls
VariableTrained (n=559)Untrained (n=171)p ValueTrained (n=317)Untrained (n=186)p Value
Values are mean (SEM). RBC, red blood cell count; Hct, packed cell volume; Hb, haemoglobin concentration; MCV, mean corpuscular volume.
RBC (× 1012/l)4.72 (0.02)5.01 (0.03)0.0014.42 (0.02)4.51 (0.03)0.05
Hct (l/l)0.398 (0.001)0.425 (0.003)0.0010.373 (0.002)0.384 (0.002)0.001
Hb (g/l)136.33 (0.45)146.16 (0.82)0.001127.13 (0.57)134.26 (0.67)0.001
MCV (fl)85.16 (0.23)84.94 (0.40)NS85.32 (0.27)85.51 (0.44)NS