Table 2

Effects of soccer game and hydration/dehydration on weight, rectal temperature, haematocrit and urine specific gravity in the two groups

Weight (kg)Rectal temperature (°F)Haematocrit (%)Urine specific gravity (g/ml)
SubjectsRestEnd of gameRestEnd of gameRestEnd of gameRestEnd of game
ContHyd71.5±7.671.1±7.7**98.8±33.199.1±33.141.3±2.242.2±2.51.021±0.0091.021±0.014†
Dehyd71.5±7.669.6±7.4***99.0±32.5100.9±32.9***‡40.6±2.744.4±6.4***1.026±0.0121.036±0.014
SCTHyd65.2±8.364.8±8.2**99.0±33.399.0±32.941.2±2.842.5±2.11.022±0.0151.024±0.006†
Dehyd65.2±8.363.0±8.6***98.2±33.0100.6±33.1***‡42.0±2.544.2±3.0*1.023±0.0161.039±0.027**
  • Difference between rest and the end of exercise (*p<0.05; **p<0.01; ***p<0.001); difference between Hyd condition and Dehyd condition (‡p<0.001); different from SCT Dehyd (†p<0.05).

  • Values are means±SD.

  • Dehyd, dehydration condition; Hyd, hydration condition; SCT, sickle cell trait.