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.