Table 2.
Distribution of variables levels in different groups.
| Control group (n = 60) |
Group 1 (n = 119) |
Group 2 (n = 165) |
Group 3 (n = 48) |
|
|---|---|---|---|---|
| Cr (μmol/L) | 47.8 ± 18.5 | 50.9 ± 19.8 | 49.9 ± 20.3 | 50.4 ± 18.7 |
| BUN (mmol/L) | 2.82 ± 1.32 | 2.78 ± 1.95 | 2.85 ± 1.31 | 2.83 ± 1.16 |
| Cys-C (mg/L) | 1.51 ± 0.38 | 1.52 ± 0.41 | 1.60 ± 0.54 | 1.98 ± 0.62 |
| β 2MG (mg/g Cr) | 0.29 ± 0.09 | 0.31 ± 0.07 | 0.34 ± 0.11 | 0.38 ± 0.21 |
| NAG index (U/g Cr) | 23.1 ± 12.9 | 24.6 ± 10.2 | 52.3 ± 20.3 | 64.4 ± 28.7 |
| Urinary pH | 6.4 ± 0.3 | 6.3 ± 0.2 | 6.3 ± 0.4 | 6.3 ± 0.3 |