Clinical chemistry (serum)
| Variable | Control group (n=79) | Exposed group (n=75) |
| Creatinine (mg/l)5-150 | 10.3 (7.6–13.1, 1.1) | 10.5 (8.1–13.8, 1.1) |
| γGT (IU/l)5-151 | 22.8 (8.0–98.0, 1.8) | 21.7 (9.0–91.0, 1.6) |
| AST (IU/l)5-150 | 20.5 (13.0–66.0, 6.9) | 21.6 (12.0–42.0, 5.7) |
| ALT (IU/l)5-151 | 21.4 (10.0–60.0, 1.5) | 21.4 (8.0–57.0, 1.5) |
| Alkaline phosphatase (IU/l)5-150 | 47.7 (18.0–81.0, 11.9) | 45.8 (21.0–81.0, 12.4) |