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Table 4 Fluid balance and urine excretion

From: Effects of a moderate intake of beer on markers of hydration after exercise in the heat: a crossover study

   Post-rehydration P valuea
Total fluid intake (mL) Water 1644 ± 620 p = 0.91
Beer + water 1620 ± 587
Total urine volume (mL) Water 223 ± 245 p = 0.70
Beer + water 281 ± 374
Fluid balance (mL) Water 1429 ± 490 p = 0.51
Beer + water 1329 ± 350
Urinary excretion rate (mL/min) Water 1.86 ± 2.04 p = 0.66
Beer + water 2.34 ± 3.12
Urinary osmolality (mOsm/kg) Water 681.50 ± 181.04 p = 0.28
Beer + water 587.17 ± 252.23
Urea (g)b Water 3.4 ± 2.7 p = 0.17
Beer + water 2.5 ± 1.1
Creatinine (g)b Water 0.30 ± 0.16 p = 0.14
Beer + water 0.25 ± 0.15
Uric Acid (mg)b Water 40 ± 42 p = 0.88
Beer + water 39 ± 43
Potassium (mEq)b Water 9.80 ± 3.70 p = 0.15
Beer + water 8.33 ± 3.45
Sodium (mEq)b Water 12 ± 8 p = 0.67
Beer + water 13 ± 7
Calcium (mg)b Water 20 ± 16 p = 0.63
Beer + water 20 ± 10
Phosphorus (mg)b Water 69 ± 82 p = 0.27
Beer + water 45 ± 26
Chlorine (mEq)b Water 153 ± 98 p = 0.84
Beer + water 154 ± 78
Magnesium (mg)b Water 8 ± 4 p = 0.50
Beer + water 10 ± 5
  1. adifferences between rehydration strategies
  2. babsolute urinary excretion