TABLE 4.
Anthropometric and clinical data of 19 non-elite marathon runners according to cut-off of ≥1.2 mg/dL of serum creatinine level immediately post-race.
| Parameters Immediately post-race | G1, n = 7 (<1.2 mg/dL) | G2, n = 12 (≥1.2 mg/dL) | P value |
| Weight (kg) | 70.6 ± 5.7 | 77.5 ± 6.5 | 0.035 |
| Weight-lost (%) | −2.83 ± 1.28 | −3.44 ± 1.55 | 0.397 |
| BMI (kgm–2) | 22.0 ± 1.7 | 23.9 ± 1.9 | 0.047 |
| Serum Urea (mg/dL) | 40.9 ± 9.2 | 44.4 ± 9.2 | 0.429 |
| Serum Creatinine (mg/dL) | 1.07 ± 0.07 | 1.39 ± 0.15 | 0.000 |
| Increment Serum Creatinine (mg/dL) | 0.17 ± 0.04 | 0.40 ± 0.16 | 0.000 |
| CCr (mL/min) | 93.2 ± 10.1 | 76.4 ± 9.6 | 0.002 |
| Serum CRP§ (mg/L) | 4.40 (2.80–5.50) |
7.50 (3.90–8.70) |
0.001 |
| Serum CK§ (U/L) | 389 (194–890) |
871 (296–1882) |
0.035 |
| Serum Sodium (mmol/L) | 142.0 ± 2.2 | 141.5 ± 3.4 | 0.730 |
| Osmolality (mmol/kg) | 290.1 ± 5.0 | 294.3 ± 7.1 | 0.286 |
| Hematuria | 0 cases | 1 case | – |
| Proteinuria | 0 cases | 5 cases | – |
§48h post-race values. BMI, body mass index; CCr, creatinine clearance rate; CRP, C-reactive protein; CK, creatine kinase.