Table 4

Blood haematology measures for 16 tug of war athletes and 20 rugby union forwards

Tug of warRugby forwardsExpected laboratory values
Values are presented as mean (SEM).
*Significant difference between the groups, p<0.05 (unpaired t test).
Packed cell volume (%)43.3 (0.5)*46.4 (0.4)40–54
Haemoglobin (g/l)150 (2)*154 (1)14–16
Red blood cells (×1012/l)5.0 (0.1)5.0 (0.1)4.6–6.5
White blood cells (×109/l)6.7 (0.3)6.6 (0.3)4–8
Red blood cell volume (fl)86.4 (0.8)*92.2 (1.7)82–89
Platelets (×109/l)232.2 (11.1)246.3 (10.6)150–400