Table 2. Blood metals.
| Group | Year | Day | n | Cr (nmol/L) | Co (nmol/L) | Ni (nmol/L) |
|---|---|---|---|---|---|---|
| Control | 1 | Mon. | 10 | 6.9 (6.1–8.6) ¤¤¤ | 1.4 (0.9–3.5) | 7.5 (4.3–13.9) |
| 2 | Mon. | 8 | 10.1 (8.2–11.9) ¤¤¤ | 1.0 (0.9–1.3) | 5.5 (4.0–9.3) | |
| Fri. | 7 | 10.3 (9.5–11.7) | 1.1 (0.8–1.6) | 5.3 (3.0–7.3) | ||
| AM-operators | 1 | Mon. | 7 | 7.4 (4.7–16.9) ¤ | 1.7 (0.8–4.8) | 10.8 (6.2–32.0) ¤ |
| Fri. | 6 | 7.4 (5.4–10.4) ¤ | 2.1 (0.9–7.7) | 8.9 (4.6–16.9) | ||
| 2 | Mon. | 11 | 10.6 (9.3–12.8) ¤ | 1.2 (0.6–2.5) | 6.2 (4.7–9.8) ¤ | |
| Fri. | 8 | 10.5 (7.1–15.3) ¤ | 1.4 (0.8–2.3) | 6.4 (3.7–10.7) | ||
| Welders | 1 | Mon. | 10 | 7.6 (5.4–10.4) ** | 1.1 (0.8–1.3) | 11.4 (7.2–14.5) ** |
| Fri. | 8 | 7.3 (4.0–10.5) ## | 1.1 (0.9–1.4) | 7.7 (4.5–10.6) ## |
AM–additive manufacturing. Values are the geometric mean (min-max).
.¤ < 0.05, ¤¤¤ < 0.001, Year 2 vs Year 1 same day and group
**p < 0.01, Welders vs Controls same day and year
## Welders Friday vs Monday same year.