Table 2. Changes in selected biochemical parameters of the master athlete after completing the120 km non-stop marathon swim.
Parameters |
Basic condition |
After marathon |
Regression coefficient |
p |
T1 |
T2 (30 min) |
T3 (4 hrs) |
T2 (10 hrs) |
T2 (8 days) |
Sodium (mmol·l-1) |
141 |
136 |
134 |
135 |
138 |
.70 |
.47 |
Potassium (mmol·l-1) |
4.2 |
4.1 |
4.5 |
4.2 |
4.3 |
.03 |
.77 |
Chloride (mmol·l-1) |
98 |
95 |
97 |
100 |
101 |
2.1 |
.02 |
Urea (mmol·l-1) |
5.9 |
5.3 |
11.3 |
10.2 |
7.1 |
-4.0 |
.52 |
Creatinine (umol·l-1) |
79.6 |
70.7 |
88.4 |
79.6 |
70.7 |
-.01 |
.86 |
Uric acid (umol·l-1) |
334.9 |
344.9 |
386.6 |
398.5 |
374.7 |
.17 |
.43 |
Total protein (g·l-1) |
73 |
73 |
63 |
67 |
67 |
-1.4 |
.56 |
Albumin (g·l-1) |
47 |
46 |
41 |
43 |
43 |
-.07 |
.56 |
AST (nmol·l-1·s-1) |
408 |
1054 |
918 |
867 |
527 |
-9.6 |
.06 |
ALT (nmol·l-1·s-1) |
102 |
459 |
408 |
425 |
476 |
.4 |
.71 |
GGT (U·l-1) |
10 |
11 |
12 |
11 |
10 |
-.4 |
.36 |
CRP (mg·l-1) |
1.3 |
13.4 |
17.3 |
25.9 |
1.6 |
-2.7 |
.65 |
Glucose (mmol·l-1) |
4.9 |
5.2 |
5.8 |
6.1 |
4.7 |
-2.2 |
.74 |
ALT – alanine aminotransferase; AST – aspartate aminotransferase; CRP – C-reactive protein; GGT –gamma-glutamyltranspeptidase.