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Table 5 Comparison of changes of blood variables during the race within and between the two groups

From: No effect of short-term amino acid supplementation on variables related to skeletal muscle damage in 100 km ultra-runners - a randomized controlled trial

 

Amino acids (n = 14)

Control (n = 13)

Difference between changes

 

Pre race

Post race

Δ (post - pre race)

Pre race

Post race

Δ (post - pre race)

(Δ amino acids - Δ control)

Creatine kinase (U/l)

168.3 (61.7)

4,582.5 (3,150.3)

4,414 (3,107) **

157.8 (74.5)

3,861.5 (2,357.8)

3,703 (2,340) **

711 (1,065)

Urea (mmol/l)

6.2 (1.4)

10.6 (2.1)

4.4 (1.6) **

5.9 (1.5)

9.5 (1.6)

3.6 (1.5)**

0.8 (0.6)

Myoglobin (μg/l)

50.2 (17.8)

6,933 (4,208)

6,883 (4,206) **

43.8 (13.0)

5,709 (4,053)

5,665 (4,049) **

1,218 (1,591)

  1. Results are presented as means (SD) for within group comparisons and as means (SE) for between group comparisons; * = p < 0.05; ** = p < 0.001, respectively for within group comparisons. No significant differences were found when the Δ between the two groups was compared.
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Journal of the International Society of Sports Nutrition

ISSN: 1550-2783

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